2 . Our government did ________ it could do to prevent the ________ disease from spreading.

A．that; convincing

B．what; infectious

C．all; appropriate

D．what; humble

5 . These days, teachers have been sparing no efforts to create         they hope will be the best means to improve the efficiency of online teaching,         some students don’t notice or care about, though.

A．that, which

B．what, which

C．which, what

D．what, that

6 . Bear in mind ________ there is a will there is a way, so it is never too late to start so long as you are ________ ready to give yourself an opportunity.

A．that; so

B．where; too

C．that where; too

D．that if; so

8 . Leaders often have multiple agendas that _________. For example, they need to consider _________ a particular speech is intended to persuade uncommitted voters or attract favorable media coverage.

A．beg the question; whether	B．are worth the effort; how
C．pull in different directions; whether	D．go to great lengths; how

9 . The great majority of research on the topic has been observational, ________ we just look at ________ happens to people who do and don’t drink coffee.

A．meant; which

B．meaning; what

C．which meant; what

D．meaning; which

10 . 直到上世纪末，人们才逐渐意识到人工智能将对生活产生重大影响。 (Not until) （汉译英）