A. The drought.
B. The crime.
C. The beggars and the rubbish.
D. The decisions of the city.
[单选题]A.ccording to the writer, the most amazing thing about the e –nose is that it can ______.A. pick out ripe fruitsB. spot the insects quicklyC. distinguish different damages to the leavesD. recognize unhealthy tomato leaves
[单选题]what does the writer man by “it would be worth half what I paid for it ”(paragraph 2)A. He should get a 50% discount.B. the price of the camera was unreasonably high.C. the quality of the camera was not good.D. the camera would soon fall in value.
[单选题]What is the writer’s attitude toward Wilkins, Watson and Crick?A. DisapprovingB. Respectful.C. AdmiringD. Doubtful
[单选题]What does the writer dislike most about dinner parties in New YorkersA. There is a strange mix of people.B. The restaurants are expensive.C. The bill is not fairly shared.D. People have to pay cash
[单选题]What does the writer dislike most about dinner parties in New York?A. There isa strange mix of people.B.The restaurants are expensive.C.The bill is not fairly shared.D.People have to pay cash
[单选题]What does the writer mean by “it would be worth half what I paid for it ”(paragraph2)A. He should get a 50% discount.B. The price of the camera was unreasonably high.C. The quality of the camera was not good.D. The camera would soon fall in value.
[单选题]A.ccording to the writer, Adam Smith' s mistake was in believing that division of labor______.A.inevitably led to economic developmentB.was an efficient way of organizing workC.increased the production of existing goodsD.was an important development
[单选题]A.ccording to the text, what is the major cause of the flooding spam? [ ]A.Companies rely on e-mail for communications.B.More people in the world communicate by e-mail.C.Many computer viruses contain spam e-mail.D.More advertisers begin to promote sa
[单选题]A.ccording to the passage, what will happen if we hold that science is getting beyond control?A. The development of science will hopelessly slow down.B. Businesses will have even greater influence on science.C. The public will lose faith in bringing
[单选题]A.ccording to the passage, what helps to explain why the population problem has come on "all of a sudden"?A.) The penny which doubles itself every day for one month.B.) The time span of at least two million years in human history.C.) An illustratio