1.It is pretty well understood ___ controls the flow of carbon dioxide in and out the atmosphere today.(2003上海)
A.that B.when
C.what D.how
2.--- I think it’s going to be a big problem.
--- Yes,it could be.
--- I wonder ___ we do about it.(2002上海春)
A.if B.how
C.what D.that
3.You should make it a rule to leave things ___ you can find them often.(1999NMET)
A.when B.where
C.then D.there
4.A computer can only do ____ you have instructed it to do.(2001NMET)
A.how B.after
C.what D.when
5.You are saying that everyone should be equal,and this is ___ I disagree.(2004 NMET)
A.why B.where
C.what D.how
6.I like ___ in the autumn when the weather is clear and bright.(2004 NMET)
A.this B.that
C.it D.one
7.The road is covered with snow.I can’t understand ___ they insist on going by motor-bike.(2004NMET)
A.Why B.whether
C.when D.how
8.We can’t figure out ___ quite a number of insects,birds,and animals are dying out.(2004 北京)
A.that B.as
C.why D.when
9.After Yang Liwei succeeded circling the earth,___ our astronauts to do is walk in space.(2004 上海)
A.where B.what
C.that D.how
10.A story goes ___ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.(2004 上海)
A.when B.where
C.what D.that
Key 1-5 CCBCB 6-10 CACBD
强化练习
1.He has given us a suggestion ____ we should buy a cottage in the country,with the money we have saved.
A.when B.where
C.what D.that
2.After five hours’ drive,they reached ____ they thought was the place they’d been dreaming of.
A.that B.where
C.which D.what
3.It is no longer a question now ___ man can land on the moon.
A.that B.which
C.whether D.what
4.She is pleased with ____ you have given him and all that you have told him.
A.that B.what
C.why D.which
5.Father made a promise ____ I passed the exam,he would buy me a bicycle.
A.that B.if
C.whether D.that if
6.____ surprised me most was that she didn’t even know ____ the difference between the two lies.
A.What,where B.What,what
C.That,where D.That,what
7.Sometimes we are asked ___ we think the likely result of an action will be.
A.that B.what
C.which D.whether
8.Nobody knows ___ he mentioned that at the meeting.
A.that B.why
C.what D.where
9.There is no doubt ____ my friend was not important to them all.
A.that B.whether
C.if D.why
10.I have no idea ____ they will visit our school; we have got everything ready.
A.how B.when
C.that D.why
Key 1-5 DDABD 6-10 ABBAB