[单项选择]When a consumer finds that his purchase has a fault in it, what is the first thing he should do


A. Complain personally to the manager.
B. Threaten to take the matter to court.
C. Write a firm letter of complaint to the store of purchase.
D. Show some written proof of the purchase to the store.

[单项选择]When a consumer finds that his purchase has a fault in it, the first thing he should do is to ______.
A. complain personally to the manager
B. threaten to take the matter to court
C. write a firm letter of complaint to the store of purchase
D. show some written proof of the purchase to the store

[单项选择]When the writer has finally posted his form, he ______.
A. heaves a sigh of relief
B. expects it to be ignored
C. expects there will be unexpected effects
D. awaits the arrival of an official

[单项选择]When in his rebellious years, that is when he was sixteen or eighteen, Frank Anderson ______ going around with a strange set of people and staying out very late.
A. took to
B. took up
C. took on
D. took in

[单项选择]Hardly (would he arrive) at his office (when) his (phone calls) came in (rapid succession).
A. would he arrive
B. when
C. phone calls
D. rapid succession

[单项选择]When listing his previous experience the writer discovers there are some ______.

[单项选择]Only when he has lost his way ______ that he wasn' t careful enough to make sure that he really did understand.


A. he realize
B. he can realize
C. he has realized
D. does he realize

[单项选择]

Man finds living together with his own species(物种) difficult enough and living together with other species almost impossible. Our usual solution is to kill off anything that get in our way. Even on those rare occasions when we do enter into a relationship with another species, it is heavily biased(带有倾向)in our favor. The other species benefits only when it suits our own interests. Our attempts to communicate with another species are concerned mainly with giving orders in our own language and having them obeyed. Probably our best attempt has been the whistle language that is used in the shepherd-sheepdog relationship. This is a system that is natural to neither species, but one that both can understand. Its only fault lies in fact that the bias is still there-- the dog cannot whistle for the man.
But now comes news of a piece of research that promises, for the first time, to open up two-way communication between man and another species.
At the University of
A. tries to communicate with them
B. tries to teach them a language
C. sets up a relationship with them
D. wipes them out