No agreement was reached in the discussion as neither side w

It is not the strongest of the species that survives, nor the most intelligent that survives. It is      ______ that is most adaptable to change.

A：one

B：that

C：the one

D：this

In his lecture, the professor referred to the belief, in contrast to all other countries, _____ the elderly are wise, _____ is particularly dominant(占优势的) in the Chinese culture．

A：that; one that

B：that; that

C：which, which

D：that; one

---Have you heard of this new computer brand, Mike?---Yes, of course and I’ve decided to buy _____.

A：it

B：one

C：this

D：that

---Which book do you think is the most useful to my studies?---________, as long as you read it. In fact, they are out of date.

A：None

B：Neither

C：Any

D：Either

–What do you think of the lecture?--____but interesting, but I’ve managed to survive it.

A：Nothing

B：Everything

C：Anything

D：Something

—Did you call on any of your old friends when you returned to your hometown?—_______ of them. They were all very busy.

A：Nobody

B：None

C：Both

D：Neither

For years, it was viewed as a serious problem, ________ that has never been really solved.

A：one

B：where

C：it

D：which

—Shall I help you, sir?—I appreciate ____ if you do me the favor to pack the luggage.

A：/

B：that

C：you

D：it

The sick salesman was happy to stay at home because doing _____ was a thorough rest for him.

A：everything

B：nothing

C：anything

D：something

The American people will never forget the 9.11 event and the psychological trauma __________ caused to hundreds of thousands of common households.

A：that

B：it

C：which

D：what