16. A survey was carried out on the death rate of those who were infected by SARS,

　　________were surprising.

　　A. as results

　　B. which results

　　C. the results of it

　　D. the results of which

　　17. The organization broke no rules, but ______had it acted responsibly.

　　A. neither

　　B. so

　　C. either

　　D. both

　　18. Many workers were organized to clear away remained of the World Trade Center.

　　A. those

　　B. that

　　C. what

　　D. where

　　19.

　　My train arrive in New York at eight o'clock tonight. The plane I would like to take from there ______by then.

　　A. would leave

　　B. will have left

　　C. has left

　　D. had left

　　20.

　　The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.

　　A. to be based on

　　B. to base on

　　C. which to base on

　　D. on which to base

　　21 . ________evidence that language acquiring ability must be stimulated.

　　A. If being

　　B. It is

　　C. There is

　　D. There being

　　22. Professor Wang , _______ for his informative lectures,

　　was warmly received by his students.

　　A. knowing

　　B. known

　　C. to be known

　　D. having known

　　23.In fact Peter would rather have left for San Francisco than ____ in New York.

　　A. to stay

　　B. stayed

　　C. stay

　　D. having stayed

　　24.You ____ him so closely;

　　you should have kept your distance.

　　A. shouldn't follow

　　B. mustn't follow

　　C. couldn't have been following

　　D. shouldn't have been following

　　25.There has been a great increase in retail sales , ____﹖

　　A. does there

　　B. isn't there

　　C. hasn't there

　　D. isn't it

　　26. It is the news ____ most parents of the hope that there is a safe and socially approved road to a kind of life they themselves have not had, but their children can.

　　A. that deprive B. that it deprives

　　C. that deprives D. when it deprives

　　27. We hadn't met for 20 years, but I recognized her_____ I saw her.

　　A. the moment

　　B. for the moment

　　C. the moment when

　　D. at the moment when

　　28. On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.

　　A. to seeing B. to see

　　C. seeing D. to have seen

　　29. You ______ be driven out of the school if you dare to cheat in the exam.

　　A. should B. would

　　C. will D. shall

　　30. Everyone hopes that we can do something to make things better, so we can't help ______ under the stress.

　　A. but working B. but to work

　　C. work D. but work