第一部分 必修 Unit3 Computers1.pptVIP

4．Please stop to have a rest.You ________ the washing machine the whole morning. A．have repaired B．were repairing C．have been repaired D．have been repairing 解析：考查时态。句意：请停下来歇会吧。这台洗衣机你已经修了整整一上午了。本题说话者表示：从早晨到现在一直修理洗衣机，并强调此刻还在修理，故用现在完成进行时。 答案： D 5．—Flight 302 to Paris ________ until 7∶30 tomorrow morning. —No wonder I hear so many complaints from the passengers. A．put off B．has been put off C．will put off D．had been put off 解析：考查时态和语态。据下文可知航班推迟这事已经发生，而且是针对现在而言的，因此用现在完成时；同时flight与put off之间构成了被动关系，故答案为B。 答案： B 6．—Have you finished your essay? —No，not yet，but half ________ when you come back. A．has been done B．is done C．be done D．will have been done 解析：考查时态和语态。句意：“你完成作文了吗？”“还没有，当你回来的时候，一半就会完 成了。”从句意知，应用一般将来时的被动语态。 答案： D Passage 2 (2009·天津高考)The first time I remember noticing the crossing guard was when he waved to me as I drove my son to school.He__1__me with a puzzle—all because he waved to me like someone does__2__seeing a close friend.A big，__3__smile accompanied his wave.For the next few days I tried to__4__his face to see if I knew him.I didnt.Perhaps he had__5__me for someone else.By the time I contented myself with the__6__that he and I were strangers，we were greeting each other warmly every morning like old friends. Then one day the__7__was solved.As I__8__the school he was standing in the middle of the road__9__his stop sign.I was in line behind four cars.__10__the kids had reached the safety of the sidewalk，he lowered his sign and let the cars__11__.To the first he waved and__12__in just the same way he had done to me over the last few days.The kids already had the window down and were happily waving their reply.The second car got the same__13__from the crossing guard，and the driver，a stiff-looking(表情刻板的) businessman，gave a brief，almost__14__wave back.Each following car of kids on their way to school__15__more heartily. Every morning I continued to watch the man with__16__.So far I havent seen anyone__17__to