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Consult the page adapted from an English dictionary and do Questions 45–48．
root1 /ru:t/ n [C]
1 ?PLANT? the part of a plant or tree that grows under the ground and gets water form the soil: Be careful not to damage the roots when repotting．| tree roots —see picture at germinate
2 ?CAUSE OF A PROBLEM? the main cause of a problem: Money is the root of all evil．| be/lie at the root of （="be" the cause of a problem） Often allergies are at the root of a lot of the problems．| get to the root of （="find" out the cause of a problem） | root cause （="the" main reason for a problem）
3 ?OF A CUSTOM/TRADITION? roots the origins of a custom or tradition that has continued for a long time: has its roots in Jazz has its roots in the folk songs of the southern states of the US．
4 ?OF AN IDEA/BELIEF? the main part of an idea or belief which all the other parts come from: be/lie at the root of Foucault is challenging the very root of 20th century liberalism．
5 ?FAMILY CONNECTION? sb’s roots your con- nection with a place because you were born there, or your family used to live there: Naita has come to Ghana in search of her roots．
6 put down roots if you put down roots somewhere, you start to feel that this place is your home and to have relationships with the people there
7 ?TOOTH/HAIR ETC? the part of a tooth, hair etc that fixes it to the rest of your body
8 take root a） if an idea takes root, people begin to accept or believe it: The concepts of democracy and free trade are finally beginning to take root．b） if a plant takes root, it starts to grow where you have planted it
9 have a （good） root round informal especially BrE to search for something by moving other things around
10 root and branch if you destroy something root and branch, you get rid of it completely and permanently because it is bad
11 ?LANGUAGE? technical the basic part of a word which shows its main meaning, to which other parts can be added: The suffix ‘ness’ can be added to the root ‘cold’ to form the word ‘coldness’．—compare stem1 （4）
12 ?MATHEMATICS? technical a number that when multiplied by itself a certain number of times, equals the number that you have: 2 is the fourth root of 16．
—see also cube root, square root, grass roots
root2 v
1 ?SEARCH? [I always + adv/prep] to search for something by moving things around: [+ through/in/ around] “Hang on a second,” said Leila, rooting through her handbag for a pen．| [+ for] pigs rooting for food
2 ?PLANT? a） [I] to grow roots: New shrubs will root easily in summer．b） [T usually passive] to fix a plant firmly by its roots: The bush was too firmly rooted in the hard earth to dig up easily．| root itself Clumps of thyme had rooted themselves between the rocks．—see also deeply rooted （deeply （5））
3 be rooted in to have developed from something and be strongly influenced by it: policies that are rooted in Marxist economic theory
4 be rooted to the spot to be so shocked, surprised, or frightened that you cannot move
root for sb phr v [T] informal 1 to give support and encouragement to someone in a competition, test or difficult situation, because you want them to succeed: Good luck – we’ll all be rooting for you! 2 especially AmE to support a sports team or player by shouting and cheering: We’ll all be rooting for the Dallas Cowboys in the Superbowl．
root sth ? out phr v [T] 1 to find out where a particular kind of problem exists and get rid of it: Racism cannot be rooted out without strong government action．2 informal to find something by searching for it: I’ll try and root out something suitable for you to wear．
root sth ? up phr v [T] to dig or pull a plant up with its roots
1．What’s meaning of the word “roots” in the sentence “Many Americans have roots in Europe．”?
A．The underground part of a plant． B．One’s connection with a place．
C．The origins of a custom or tradition． D．The main cause of a problem．
2．What’s the fourth root of 81?
A．27． B．9． C．6． D．3．
3．Which phrase can complete the sentence “Do you think it is possible to ____ crime?”
A．root for B．root out C．root up D．root through
4．In which of the following situations can we use the phrase “be rooted to the spot”?
A．A bush is so firmly rooted in the ground that it is difficult to pull it up．
B．A football fan got excited when his favorite football team scored a goal．
C．A girl became too scared to walk when she caught sight of a long snake．
D．A man is unable to walk because he was caught in a car accident years ago．
I live in Japan, where electronic items are a way of life, so it is no surprise that many students carry these little electronic dictionaries. Think of it. That huge, heavy paper dictionary that you used to see in your library looked like a building block in size and weight, yet someone has found a way to change all of that into a plastic box smaller than a video cassette tape.
E-dictionaries may be lighter and compacter(简洁的) than any paper dictionary. They may even contain more words and expressions. It depends on which one you buy. To me, these are pretty much the limits to their advantages.
I think e-dictionaries should be limited in their use in classrooms. Let's take a look at some reasons.
E-dictionaries are much more expensive. In Japan, they cost as little as 10,000 yen (US$100) or as much as 40,000 yen, depending on how many functions you want (or think you want) and depending on how fashionable you are. My trusty Random House paper dictionary is copyrighted in 1995, cost me a mere US$12.95 plus tax.
E-dictionaries are more fragile. Drop your paper dictionary. Go ahead. Hold it above your head and drop it. Now, try this with any lightweight plastic e-dictionary, and you'll be picking up the pieces.
E-dictionaries need batteries. Batteries are temperature sensitive. Batteries cost money, no, make that extra money.
E-dictionaries have keypads. Typing in the spelling of a word is harder and more time-consuming(耗时)than looking through pages and using the index at the top of each page.
Let me add a statement about one that really troubles me. Sound. Little devices beep(嘟嘟声)when you press the buttons, but it is very disturbing to some people in a classroom situation or library.
Finally, let's consider making corrections or additions. No dictionary is perfect, paper version or electronic. However, when you find something you'd like to change in the e-dictionary, you can't do anything about it. You can pencil in some notes with the paper type. Similarly, if you learn a word that isn't in the dictionary, a few notes of a pencil make it easy to increase its memory capacity. Not possible with a keypad model. And, for those students whose habit is to mark certain words with a highlight pen for case of future reference, again, the paper dictionary wins out.
9. What's the main idea of the text?
A. The advantages and disadvantages of e-dictionaries from the author's point of view.
B. Electronic items are a way of life in Japan.
C. It's fashionable to carry little e-dictionaries.
D. The bad effect of using e-dictionaries on students and teachers.
10. How many disadvantages does the author address in the text?
A. 4. B. 6. C. 8. D. 10.
11. What does the author hate most of all the disadvantages?
A. Not possible to make additions.
B. Wasting more time looking up words.
C. Too expensive to buy e-dictionaries and batteries.
D. Making sound when pressing the buttons.
12. What is the greatest advantage of the paper dictionary compared with the e-dictionary?
A. Containing more words and expressions.
B. More light and compact to carry.
C. Making corrections or additions for future reference.
D. Costing less money.
查看习题详情和答案>>root1 /ru:t/ n [C]
1 ►PLANT◄ the part of a plant or tree that grows under the ground and gets water form the soil: Be careful not to damage the roots when repotting. | tree roots —see picture at germinate
2 ►CAUSE OF A PROBLEM◄ the main cause of a problem: Money is the root of all evil. | be/lie at the root of (=be the cause of a problem) Often allergies are at the root of a lot of the problems. | get to the root of (=find out the cause of a problem) | root cause (=the main reason for a problem)
3 ►OF A CUSTOM/TRADITION◄ roots the origins of a custom or tradition that has continued for a long time: has its roots in Jazz has its roots in the folk songs of the southern states of the US.
4 ►OF AN IDEA/BELIEF◄ the main part of an idea or belief which all the other parts come from: be/lie at the root of Foucault is challenging the very root of 20th century liberalism.
5 ►FAMILY CONNECTION◄ sb’s roots your con- nection with a place because you were born there, or your family used to live there: Naita has come to Ghana in search of her roots.
6 put down roots if you put down roots somewhere, you start to feel that this place is your home and to have relationships with the people there
7 ►TOOTH/HAIR ETC◄ the part of a tooth, hair etc that fixes it to the rest of your body
8 take root a) if an idea takes root, people begin to accept or believe it: The concepts of democracy and free trade are finally beginning to take root. b) if a plant takes root, it starts to grow where you have planted it
9 have a (good) root round informal especially BrE to search for something by moving other things around
10 root and branch if you destroy something root and branch, you get rid of it completely and permanently because it is bad
11 ►LANGUAGE◄ technical the basic part of a word which shows its main meaning, to which other parts can be added: The suffix ‘ness’ can be added to the root ‘cold’ to form the word ‘coldness’. —compare stem1 (4)
12 ►MATHEMATICS◄ technical a number that when multiplied by itself a certain number of times, equals the number that you have: 2 is the fourth root of 16.
—see also cube root, square root, grass roots
root2 v
1 ►SEARCH◄ [I always + adv/prep] to search for something by moving things around: [+ through/in/ around] “Hang on a second,” said Leila, rooting through her handbag for a pen. | [+ for] pigs rooting for food
2 ►PLANT◄ a) [I] to grow roots: New shrubs will root easily in summer. b) [T usually passive] to fix a plant firmly by its roots: The bush was too firmly rooted in the hard earth to dig up easily. | root itself Clumps of thyme had rooted themselves between the rocks. —see also deeply rooted (deeply (5))
3 be rooted in to have developed from something and be strongly influenced by it: policies that are rooted in Marxist economic theory
4 be rooted to the spot to be so shocked, surprised, or frightened that you cannot move
root for sb phr v [T] informal 1 to give support and encouragement to someone in a competition, test or difficult situation, because you want them to succeed: Good luck – we’ll all be rooting for you! 2 especially AmE to support a sports team or player by shouting and cheering: We’ll all be rooting for the Dallas Cowboys in the Superbowl.
root sth ↔ out phr v [T] 1 to find out where a particular kind of problem exists and get rid of it: Racism cannot be rooted out without strong government action. 2 informal to find something by searching for it: I’ll try and root out something suitable for you to wear.
root sth ↔ up phr v [T] to dig or pull a plant up with its roots
What’s meaning of the word “roots” in the sentence “Many Americans have roots in Europe.”?
A. The underground part of a plant. B. One’s connection with a place.
C. The origins of a custom or tradition. D. The main cause of a problem.
What’s the fourth root of 81?
A. 27. B. 9. C. 6. D. 3.
Which phrase can complete the sentence “Do you think it is possible to ____ crime?”
A. root for B. root out C. root up D. root through
In which of the following situations can we use the phrase “be rooted to the spot”?
A. A bush is so firmly rooted in the ground that it is difficult to pull it up.
B. A football fan got excited when his favorite football team scored a goal.
C. A girl became too scared to walk when she caught sight of a long snake.
D. A man is unable to walk because he was caught in a car accident years ago.
查看习题详情和答案>>
Consult the page adapted from an English dictionary and do Questions
…………………………………………………………………………………………………………………………
root1 /ru:t/ n [C]
1 ►PLANT◄ the part of a plant or tree that grows under the ground and gets water form the soil: Be careful not to damage the roots when repotting. | tree roots —see picture at germinate
2 ►CAUSE OF A PROBLEM◄ the main cause of a problem: Money is the root of all evil. | be/lie at the root of (=be the cause of a problem) Often allergies are at the root of a lot of the problems. | get to the root of (=find out the cause of a problem) | root cause (=the main reason for a problem)
3 ►OF A CUSTOM/TRADITION◄ roots the origins of a custom or tradition that has continued for a long time: has its roots in Jazz has its roots in the folk songs of the southern states of the US.
4 ►OF AN IDEA/BELIEF◄ the main part of an idea or belief which all the other parts come from: be/lie at the root of Foucault is challenging the very root of 20th century liberalism.
5 ►FAMILY CONNECTION◄ sb’s roots your con- nection with a place because you were born there, or your family used to live there: Naita has come to Ghana in search of her roots.
6 put down roots if you put down roots somewhere, you start to feel that this place is your home and to have relationships with the people there
7 ►TOOTH/HAIR ETC◄ the part of a tooth, hair etc that fixes it to the rest of your body
8 take root a) if an idea takes root, people begin to accept or believe it: The concepts of democracy and free trade are finally beginning to take root. b) if a plant takes root, it starts to grow where you have planted it
9 have a (good) root round informal especially BrE to search for something by moving other things around
10 root and branch if you destroy something root and branch, you get rid of it completely and permanently because it is bad
11 ►LANGUAGE◄ technical the basic part of a word which shows its main meaning, to which other parts can be added: The suffix ‘ness’ can be added to the root ‘cold’ to form the word ‘coldness’. —compare stem1 (4)
12 ►MATHEMATICS◄ technical a number that when multiplied by itself a certain number of times, equals the number that you have: 2 is the fourth root of 16.
—see also cube root, square root, grass roots
root2 v
1 ►SEARCH◄ [I always + adv/prep] to search for something by moving things around: [+ through/in/ around] “Hang on a second,” said Leila, rooting through her handbag for a pen. | [+ for] pigs rooting for food
2 ►PLANT◄ a) [I] to grow roots: New shrubs will root easily in summer. b) [T usually passive] to fix a plant firmly by its roots: The bush was too firmly rooted in the hard earth to dig up easily. | root itself Clumps of thyme had rooted themselves between the rocks. —see also deeply rooted (deeply (5))
3 be rooted in to have developed from something and be strongly influenced by it: policies that are rooted in Marxist economic theory
4 be rooted to the spot to be so shocked, surprised, or frightened that you cannot move
root for sb phr v [T] informal 1 to give support and encouragement to someone in a competition, test or difficult situation, because you want them to succeed: Good luck – we’ll all be rooting for you! 2 especially AmE to support a sports team or player by shouting and cheering: We’ll all be rooting for the Dallas Cowboys in the Superbowl.
root sth ↔ out phr v [T] 1 to find out where a particular kind of problem exists and get rid of it: Racism cannot be rooted out without strong government action. 2 informal to find something by searching for it: I’ll try and root out something suitable for you to wear.
root sth ↔ up phr v [T] to dig or pull a plant up with its roots
…………………………………………………………………………………………………………………………
1.What’s meaning of the word “roots” in the sentence “Many Americans have roots in Europe.”?
A. The underground part of a plant. B. One’s connection with a place.
C. The origins of a custom or tradition. D. The main cause of a problem.
2.What’s the fourth root of 81?
A. 27. B. 9. C. 6. D. 3.
3.Which phrase can complete the sentence “Do you think it is possible to ____ crime?”
A. root for B. root out C. root up D. root through
4.In which of the following situations can we use the phrase “be rooted to the spot”?
A. A bush is so firmly rooted in the ground that it is difficult to pull it up.
B. A football fan got excited when his favorite football team scored a goal.
C. A girl became too scared to walk when she caught sight of a long snake.
D. A man is unable to walk because he was caught in a car accident years ago.
查看习题详情和答案>>
Consult the page adapted from an English dictionary and do Questions 45–48．
root1 /ru:t/ n [C]
1 ►PLANT◄ the part of a plant or tree that grows under the ground and gets water form the soil: Be careful not to damage the roots when repotting．| tree roots —see picture at germinate
2 ►CAUSE OF A PROBLEM◄ the main cause of a problem: Money is the root of all evil．| be/lie at the root of （=be the cause of a problem） Often allergies are at the root of a lot of the problems．| get to the root of （=find out the cause of a problem） | root cause （=the main reason for a problem）
3 ►OF A CUSTOM/TRADITION◄ roots the origins of a custom or tradition that has continued for a long time: has its roots in Jazz has its roots in the folk songs of the southern states of the US．
4 ►OF AN IDEA/BELIEF◄ the main part of an idea or belief which all the other parts come from: be/lie at the root of Foucault is challenging the very root of 20th century liberalism．
5 ►FAMILY CONNECTION◄ sb’s roots your con- nection with a place because you were born there, or your family used to live there: Naita has come to Ghana in search of her roots．
6 put down roots if you put down roots somewhere, you start to feel that this place is your home and to have relationships with the people there
7 ►TOOTH/HAIR ETC◄ the part of a tooth, hair etc that fixes it to the rest of your body
8 take root a） if an idea takes root, people begin to accept or believe it: The concepts of democracy and free trade are finally beginning to take root．b） if a plant takes root, it starts to grow where you have planted it
9 have a （good） root round informal especially BrE to search for something by moving other things around
10 root and branch if you destroy something root and branch, you get rid of it completely and permanently because it is bad
11 ►LANGUAGE◄ technical the basic part of a word which shows its main meaning, to which other parts can be added: The suffix ‘ness’ can be added to the root ‘cold’ to form the word ‘coldness’．—compare stem1 （4）
12 ►MATHEMATICS◄ technical a number that when multiplied by itself a certain number of times, equals the number that you have: 2 is the fourth root of 16．
—see also cube root, square root, grass roots
root2 v
1 ►SEARCH◄ [I always + adv/prep] to search for something by moving things around: [+ through/in/ around] “Hang on a second,” said Leila, rooting through her handbag for a pen．| [+ for] pigs rooting for food
2 ►PLANT◄ a） [I] to grow roots: New shrubs will root easily in summer．b） [T usually passive] to fix a plant firmly by its roots: The bush was too firmly rooted in the hard earth to dig up easily．| root itself Clumps of thyme had rooted themselves between the rocks．—see also deeply rooted （deeply （5））
3 be rooted in to have developed from something and be strongly influenced by it: policies that are rooted in Marxist economic theory
4 be rooted to the spot to be so shocked, surprised, or frightened that you cannot move
root for sb phr v [T] informal 1 to give support and encouragement to someone in a competition, test or difficult situation, because you want them to succeed: Good luck – we’ll all be rooting for you! 2 especially AmE to support a sports team or player by shouting and cheering: We’ll all be rooting for the Dallas Cowboys in the Superbowl．
root sth ↔ out phr v [T] 1 to find out where a particular kind of problem exists and get rid of it: Racism cannot be rooted out without strong government action．2 informal to find something by searching for it: I’ll try and root out something suitable for you to wear．
root sth ↔ up phr v [T] to dig or pull a plant up with its roots
1．What’s meaning of the word “roots” in the sentence “Many Americans have roots in Europe．”?
A．The underground part of a plant． B．One’s connection with a place．
C．The origins of a custom or tradition． D．The main cause of a problem．
2．What’s the fourth root of 81?
A．27． B．9． C．6． D．3．
3．Which phrase can complete the sentence “Do you think it is possible to ____ crime?”
A．root for B．root out C．root up D．root through
4．In which of the following situations can we use the phrase “be rooted to the spot”?
A．A bush is so firmly rooted in the ground that it is difficult to pull it up．
B．A football fan got excited when his favorite football team scored a goal．
C．A girl became too scared to walk when she caught sight of a long snake．
D．A man is unable to walk because he was caught in a car accident years ago．
查看习题详情和答案>>