定语从句专四真题

定语从句训练题1. We have just installed two air-conditioners in our apartment; _ should make great differences in our life next summer. (2002) A. which B. what C. that D. they2. They overcame all the difficulties and completed the project two months ahead of time; _ is something we had not expected. (2003)A. which B. it C. that D. what3. The physicist has made a discovery, _ of great importance to the progress of science and technology. (1997)A.I think which is B. that I think is C. which I think is D. which I think it is 4. Firms that use computers have found that the number of staff_ is needed for quality control can be substantially reduced. (2000)A. whose B. as C. what D. that5. He is quite worn out from years of hard work. He is not the man _ he was twenty years ago. (2003)A. which B. that C. who D. whom6. I have never been to Lhasa, but thats the city _. (1999)A.Id most like to visitB.which I like to visit mostly C.where I like to visit D.I d like much to visit此题6选A，此处省略了关系代词that. C项mostly 用法不对。7. isknowntoeverybody,themoontravelsroundtheearthonceeverymonth.A.ItB.AsC.ThatD.What8._ is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals. (1994)A. That B. It C. This D. As9. They fulfilled the task in _ it took us. (1992)A. three-fourths timeB.three-fourths timesC.three-fourths the timeD.the three-fourths time10. Above the trees is the hill, _ magnificence the river faithfully reflects on the surface. (2003)A. where B. of whose C. whose D. which11. She remembered several occasions in the past _ she had experienced a similar feeling. (1998) A. which B. before C. that D. when12. This company has now introduced a policy _ pay rises are related to performance at work. (1996)A. which B. where C. whether D. what 13. The residents, _ had been damaged by the fire, were given help by the Red Cross. A. all of their homes B. all their homesC. whos all homes D. all of whose homes. 14. Beer is the most popular drink among male drinkers, _ overall consumption is significantly higher than that of women.A. whose B. which C. that D. what15. In India more than one hundred languages are spoken, _ which only fourteen are recognized as official. A. of B. in C. with D. within16. The course normally attracts 20 students per year; _ up to half will be from orient. A. in which B. for whomC. with which D. of whom17. The hours_ the children spend in their one-way relationship with television