I used to go to the gym three times a week.but I don't any more．( )A．work onB．work atC．work outD．work for 题目和参考答案——青夏教育精英家教网—

题目内容

4．I used to go to the gym three times a week，but I don't any more．（　　）

A．

work on

B．

work at

C．

work out

D．

work for

分析我曾经每星期去健身房三次，但是现在再也不健身了．

解答答案是C．考查动词词组的辨析．work on 从事于…，对…起作用；work at 从事于，致力于；work out 锻炼，解决；work for 为…工作．句意是：我曾经每星期去健身房三次，但是现在再也不健身了．故选C．

点评解答此类问题首先需要理解每个词组的含义，然后结合语境选择正确答案．

练习册系列答案

14．假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文．文中共有10处语言错误，每句中最多有两处．错误仅涉及一个单词的增加、删除或修改．
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词．
删除：把多余的词用（\）划掉．
修改：在错的词下画一横线，并在该词下面写出修改后的词．
注意：1．每处错误及其修改均仅限一词； 2．只允许修改10处，多者（从第11处起）不计分．
Nowadays，there is a increasing number of people joining in the activities of volunteering．It's well-known that volunteering jobs are making contributions to society with something in return．It's as the Spirit of Lei Feng．However，knowing this，there are still many people would like to devote themselves to this trend．For instance，the 2008Beijing Olympic Games had such many volunteers．They make lots of contributions to the success of the Olympics．Moreover，we can often see many students go to visit the old to take warm to them．Even though some people's career is a volunteer．They are ready to helping others．Although the volunteers are much more common，we still need to thank they for devoting themselves to society．

11．一What does the sign over there read？
一 No person smoke or carry a lighted cigarette or pipe in this restaurant．（　　）

18．Great white sharks，the world's largest predatory（食肉的）fish，eat three to four times more food than previously thought，an Australian study shows．
    The U．S．research from the 1980s estimated a meal of 30 kilograms could make a one-ton shark continue living for more than six weeks．
    That made assumptions that large sharks could survive long periods without eating．
    However，a University of Tasmania-led study published this week in Scientific Reports found that 30 kg was only enough for 12-15 days．
    Researchers tagged （给…附上标签）a dozen great white sharks at Neptune Islands off South Australia and calculated their metabolic（新陈代谢的）rate based on swimming speeds．They worked out how much energy the sharks burned and how much food they required．
"Their metabolic rate is faster than we assumed．"
    Jayson Semmens was the lead author on the study．He said，"They（U．S．researchers） picked a shark that probably wasn't working very hard at the time when they did it．At the time it was a new study．They did some metabolic work similar to us but on one shark．"
"The white sharks，which we tagged，are working pretty hard…they're coming up to some pretty high speed to catch the seals．"he said，"Their metabolic rate is much faster than what we had assumed．These animals are probably going to be feeding every day，rather than several weeks．"
    The research also sought to improve understanding of how sharks fit into the ocean ecosystem．
"We don't have a good handle on the population sizes of white sharks．We know that sharks in general are under pressure around the world from overfishing，"Semmens said，"Furthermore，they're long-lived，they reproduce late in their life and they produce a small number of babies．"
    Semmens said the effects of removing white sharks from the ocean were thus far more important than realized．"They're keeping under control a lot more animals than we thought，"he said．

51．The U．S．research made people believe thatD．
A．large sharks could live without eating meat
B．sharks gained several kilograms in six weeks
C．a one-ton shark needed to eat 30 kg every meal
D．large sharks could live without eating for several weeks
52．What is Semmens'attitude towards U．S．researchers'job？C
A．Uninterested
B．Surprised
C．Objective
D．Satisfied
53．The shades'metabolic rate calculated by the two research groups is different probablyD
A．they used different research methods
B．they studied sharks of different sizes
C．the sharks they used for research were of different species
D．the sharks they used for research swam at different speeds
54．What do you know about white sharks？A
A．They play an important role in ocean ecosystem．
B．They can produce a large number of babies
C．They swim more slowly than seals．
D．They live a short life．
55．The author's purpose of writing the text is most likely toD
A．entertain
B．persuade
C．describe
D．inform．

9．I will never forget the lesson about my window．Four years ago，I moved to a house in a large town．One of my new neighbors'house was only a few feet away from mine．There lived a woman．Through one of my windows，I could see her reading by her window every afternoon．
   Several months later，I found I couldn't see the woman clearly．I thought her window was too dirty．I said to myself，"Why doesn't she clean her window？It looks terrible!"
One afternoon，I decided to clean my house including the window．I felt tired after three hours of hard work．So I sat down by the window for a rest．What a surprise!I could see the woman reading there clearly again!By that time，I realized that my own window was too dirty，not hers!I really felt ashamed for myself．I had been watching her through my dirty window in the past days!
The experience is very important for me．So I try to clean the window of my heart before judging others．
56．How long has the writer lived in the house according to the passage？D
A．One years
B．Two years．
C．Three years．
D．Four years．
57．What did the woman do every afternoon？A
A．Read by her window．
B．played tennis on the grass．
C．Danced in her house．
D．sang in front of the house．
58．The writer couldn't see the woman clearly becauseA．
A．the writer's window was dirty
B．the woman's house was too far
C．the woman didn't open her window
D．there was something wrong with his eyes．
59．The underlined word"ashamed"meansC．
A．高兴的           B．放松的           C．羞愧的              D．自豪的
60．According to the passage，the writer has learnt how toB．
A．clean the house B．judge others     C．help neighbors          D．learn English．

16．Two explosions hit Zaventem airport at about 07：00GMT，Mar 22^nd，with 11people _______killed．（　　）

13．The doctor suggests that I have a health examination at regular intervals．

14．I _______in a foreign trade company for five years．Still，I don't regret having given up the well-paid post．（　　）

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