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My mother sets a good example for me. She is always ready to 41 .
The railroad tracks (轨道) were within a mile of our house. “Beggars”（乞丐） would 42 the doors in our neighborhood in summer asking for food. They were often turned away. Others simply ignored (忽略) the knocks.
My mom always went to the door smiling. She would 43 them to come in and have something to eat. She would 44 a beautiful tablecloth and set the table as carefully as she did for 45 people. She would pour their coffee and pile (放置) their plates with food and dessert. Usually she gave a lot of food to them 46 they were ready to go. Sometimes she would give the newspaper to those who asked about 47 .
She listened to those who wanted to talk. She 48 asked what led them to be in this situation (状况). It did not matter. She saw only the need. She would say, “When I was young, my father was walking around for any work to 49 us. Some kind people helped him. I am just repaying (回报) their 50 . I can’t offer them money, but I can see they do not leave hungry.”
My mom is quite a lady. She is a great mother!
41. A. helping others B. help others C. to thank others D. thanking others
42. A. knock into B. open C. close D. knock at
43. A. invite B. order C. asked D. told
44. A. take B. bring C. put D. carry
45. A. any B .all C. any other D. any the
46. A. when B. while C. after D. what
47. A. money B. drinks C. meals D. work.
48. A. always B. usually C. never D. often
49. A. feed B. teach C. educate D. fed
50. A. kind B. kindly C. friendly D. kindness
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根据短文内容选词填空。(Choose the right words to fill in the blanks．)
What's the life on Pluto like? Is it quite 1 from the life on the earth?
If you visit on Pluto, you'd have to live 248 earth years to celebrate your first birthday in Pluto years．It 2 Pluto much longer to make one circle around the sun．One Pluto year is the 3 as 248 earth years．
If you weigh 45 kilograms on the earth, you would weigh only 3.6 kilograms on Pluto! Pluto is much 4 than the earth．Gravity(重力)on Pluto is only 8 percent of 5 on the earth．
Remember to bring plenty of clothes if you visit the star．Pluto is cold． 6 it is far away from the sun, the temperature on 7 is about 200 degrees centigrade below zero．It gets even colder as it moves 8 from the sun in its orbit(轨道)．From Pluto, the sun looks 9 a dot in the sky, and it is the brightest star you can see．The light from the sun is 10 bright on Pluto as the light from the full moon on the earth．
1．________ 2．________ 3．________ 4．________ 5．________
6．________ 7．________ 8．________ 9．________ 10．________
Beijing-Shanghai Railway was completed in 1968. The line runs 1,462 km between China’s two main cities and passes through five provinces and the city of Tianjin.
Since opening, it has been one of the busiest routes in our country. The Beijing-Shanghai route is now served by I0 trains a day, five of which are non-stop. The journey time is just under 12 hours.
Now trains are allowed to travel at 250 kph ( kilometers per hour) and the journey time is only I0 hours.
With the sixth railway speedup, China has joined the ranks (行列) of countries with high-speed all services. Trains are able to run at speeds of 200 kph on some 6,003 km of track (轨道), and on some sections, the highest speed can increase to 250 kph. The 6,003 km of track serves both high-speed passenger trains and low-speed cargo (货物) trains.
Railway operators have to deal with the problem of the speed gap (差距) between the two kinds of trains to make sure they both run safely.
（ ）51.The Beijing-Shanghai Railway line runs 1,462 kilometers, doesn’t it?
A. Yes, it does. B. No, it doesn’t. C. It’s very far. D. We don’t know.
（ ）52.How many times have the trains been speeded up so far?
A. Five. B. Six. C. Seven. D. Eight.
（ ）53.When the Beijing-Shanghai train runs at 250 kph, the passengers spend on the train.
A. ten hours B. twelve hours C. one day D. two days.
（ ）54.Which of the following sentences is TRUE?
A. Only one train is served on the 6,003 km of track.
B. Beijing-Shanghai Railway passes through six provinces.
C. All of the trains run without any stops on Beijing-Shanghai Railway .
D. Since opening, Beijing-Shanghai Railway has been one of the busiest routes in China.
（ ）55.The passage above is probably from
A. a story-book B. a dictionary C. a newspaper D. an advertisement
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| A．只要知道弦长，就能求出运动时间 |
| B．只要知道圆半径，就能求出运动时间 |
| C．只要知道倾角θ，就能求出运动时间 |
| D．只要知道弦长和倾角就能求出运动时间 |
Mosquitoes(蚊子)can be seen everywhere all over the world, especially in summer. And there are more than 2,500 kinds of them.
__43_likes the mosquito, but the mosquito may like you. She thinks your blood is delicious.
She? Yes, she. It’s true that the male(雄性)mosquito doesn’t bite(咬)and only the female mosquito bites because she 44 blood(血液)to lay eggs. She is always 45 things or people she wants to bite. If she likes what she finds, she will bite. But if she doesn’t like your blood, she 46 to someone else for more delicious blood. Next time a mosquito bites you, just remember you’re different from others.
If the mosquito likes you, she will land on your body 47 letting you know. She bites you 48 quickly and quietly that you may feel nothing. After she bites, you will have an itch(痒)on your body because she puts something from her mouth together with your blood. By the time the itch begins, she has 49 .
And then what happens? Well, after her delicious 50 ,it’s dark. The mosquito feels 51 .
She just wants to find a place to have a good rest. There, on a leaf or a wall, she begins to lay eggs, 52 eggs.
( ) 43.A.Everyone B. No one C. Someone
( ) 44.A.needs B. need C. want
( ) 45.A.finding B. wants C. looking for
( ) 46.A.will turn B. turns to C. turn
( ) 47.A.with B. without C. after
( ) 48.A.so B. such C. very
( ) 49.A.flies away B. flew away C. flown away
( ) 50.A.breakfast B. dinner C. lunch
( ) 51.A.tiring B. tired C. relaxing
( ) 52.A.3 hundreds B. hundred of C. hundreds of
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