题目内容

8．If George keeps on working so hard，he'll ______ sooner or later．（　　）
A．break downB．break upC．break outD．break off

分析 如果乔治继续这样努力工作，他迟早会把身体搞垮．

解答 答案A．break down（身体、机器或车辆）出毛病，损坏；break up散（会）；（使）解散；（婚姻关系）破裂；break out（战争、打斗等不愉快事件）突然发生，爆发；突然发生，爆发；break off突然中止；折断．根据上文的语境"If George keeps on working so hard"可知，句子表达的意思是"如果乔治继续这样努力工作，他迟早会把身体搞垮．"，故答案选A．

点评 本题考查动词短语的辨析．英语中有的词组没有捷径，只有平时加强记忆，要注意区别，记忆的时候不能忽视，这是常见的命题方式．平时要加强记忆，做题时，别忘了要结合上下文句意判断．

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18．A high school student of 18 from Salt Lake City won the top prize in the Intel Science Talent Search in the United States．The winner received a computer and a scholarship for a college education．
Over 1，500 high school students from the whole country entered projects in the competition this year．Their research included chemistry，medicine，physics，mathematics，engineering，and computer science-almost every area of science．
Forty high school students were invited to the capital city Washington for the final judging．A team of scientists judged them on their research abilities，Critical thinking skills and creativity．The judges also questioned the students about scientific problems before deciding on the winners．
The top winner received 100，000 dollars for college．Shennon Bab of American Forc High School studied the water quality of tile Spanish Fork River in Salt Lake City for six years．She found that people have a harmful effect on the river through human activity，including agriculture．And she suggested ways to improve the water quality in the future．These include educating the public not to put household chemicals down the drains（下水道），which lead to the river eventually．
Yi Sun a boy of 17 from the Hannker School in San Jose，California，earned the second place．He won a 76，000 dollar scholarship for new discoveries about a mathematical theory known as random walks．His work could help computer scientists and chemists．Yi Sun was born in China．
    The winner of the 3rd place was also 17 years old and born in China．Yuan"Chelsea"Zhang of Montgomery Blair High School in Rockville，Annapolis，won a 50，000 dollar scholarship．She researched the molecular genetics（分子遗传学）of heart disease．Her findings could aid the development of new medicines．
    The Intel Science Talent Search is American's oldest science competition for high school students．It is 65 years old this year．The winners in the past have already gone on to receive six Nobel prizes and some other top honors in science and math．
61．What do you know about American talent search project？D
A．Nobel prizes were received by most of the winners  
B．The project includes researches in every area of science．
C．Most winners are from Asian countries．
D．Only a small part of the students can attend the final judging．
62．Based on the text，B．．
A．water quality in Salt Lake City will be better than that in the other states
B．Shannon Babb suggested more than one way to improve the water quality
C．the river was polluted only by those living near it
D．household chemicals should be kept in the drains forever
63．Which of the following about the girl from Annapolis is NOT true？A
A．Her discovery is of great help to Chinese medicine．
B．The scholarship she received was half as many as Shannon Babb．
C．Her research will contribute to the cure of heart disease．
D．She and the second-place winner Yi Sun have something in common．
64．What is the main idea of the text？C
A．Three winners'contributions to science and math．
B．Three Chinese students won the Science Talent Search．
C．Winners of the Intel Science Talent Search in the US．
D．Great rewards were given to winners in the competition．
65．Where will you possibly find this text most？B
A．In a handbook．
B．In a newspaper．
C．In a textbook．
D．In a medical magazine．
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It's so easy to make assumptions （臆想）and expectations about someone，just to find out they were completely false．The shy girl turns out to be one of the funniest girls I've ever met； the mean girl is actually very sensitive and loving； the cocky guy is unsure of himself，etc．
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D．Don't take anything in the cave．

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