1、271. It is required that every student _ a foreign language before going abroad.A. learn B. learns C. will learn D. should have learntkey: A it is required that 后面使用虚拟的形式272. The dish you bought yesterday _.key: C taste good 系表结构 A. is tasted good B. is tasted well C. tastes good D. tastes well273.
2、The machine _ photos is easy to operate.A. used to printing B. is used to print C. is used to printing D. used to printkey: D the machine (that is) used to print 注意: be used to do .被用来做.; be used to doing 习惯; used to do 指过去经常的行为,he used to smoke. 他过去吸烟.274. Tom is considered _ one of the best studen
3、ts _ I have ever taught.A. being.whom B. being.that C. to be.whom D. to be.thatkey: B be considered to be; 第二空定语从句 whom作taught宾语275. It was _ he was working _ he was killed.A. that.when B. that.where C. where.that D. while.whenkey: C 强调句式 He was killed where he was working276. Carbon dioxide _ from
4、burning fuels is the most common of the so-called greenhouse gases.A. producing B. having been produced C. to be produced D. producedkey: D Carbon dioxide (which is ) produced from burning fuels277. After a quick dinner, the moment we had been waiting for _.A. coming B. has come C. to come D. came k
5、ey: D 填谓语动词 the moment (that we had been waiting for) came. 278.They both looked like clowns, _made the whole class burst into laughter.A. which B. that C. what D. askey: A 注意: as 引导定语从句大致分为两种情况 1.固定结构 such.as the same.as 等 2.表示正如.一样.例子: As is known to us all, the earth is round.279. If you have fin
6、ished your homework and have nothing else to do, there is no point _ awake just so you can say you didnt go to bed until 11 pm.A. staying B. to stay C. stayed D. staykey: A there is no point (in) doing sth.280. It doesnt matter if other students get higher test marks than you. _ is important is _ yo
7、u do your best.A. Which.that B. What./ C. That.whether D. What.thatkey: D what is important 名词结构做主语;that you do your best 表语从句281. We tried to do our experiment _ much the same way _ our teacher did.A. using.like B. with.as C. in.that D. in.like key: C in much the same way; that our teacher did 作 wa
8、y定语 282. It is estimated that the number of foreigners coming to China to learn the language over the last few years _ maintained an average annual growth rate of 35 percent.A. has B. have C. is D. arekey: A the number has maintained. 这是句子主体部分283. Theyre very angry. They _to see you for the last two
9、 or three hours.A. are managing B. will promise C. had made up their minds D. have been tryingkey: D284. The newly-built university occupies an area of 34.7 hectares(公顷), over 80% of which _covered by trees and greens.A. have B. is C. has D. arekey: B which指代的是 an area of.285. She suggested _ inform
10、ation on radioactive matter.A. gather B. gathering C. to gather D. gatheredkey: B suggest doing286. The policeman _ five days after he had been wounded.A. was dead B. had died C. has died D. diedkey: D287. _ is known to all, Taiwan is a part of China.A. It B. As C. That D. Whatkey: B as 引导的定语从句288.
11、It is reported that this is the largest animal _ in this area.A. ever found B. ever to find C. has ever been found D. is ever foundkey: A the largest animal (that is) ever found289. Mary had to go to Beijing on business on June 15, _ happened to be her only sons birthday.A. which B. when C. then D.
12、itkey: A which 在后面从句里作主语. 290. Of the two shirts, Id like to choose _ expensive one.A. the less B. the most C. less D. mostkey: A291. People in Shanghai are looking forward _ great excitement to the EXPO to be held in 2010.A. with B. of C. by D. to key: A looking forward (with great excitement) to t
13、he.292. Im going to have my letters _ tomorrow if Ive got them ready by then.A. to type B. typing C. typed D. to be typedkey: C293. The fire was finally brought under control, but not _ extensive damage had been caused.A. after B. before C. since D. askey: B 意思是说火虽然灭了,可是还是有了很大的损失294. If the building
14、 project _ by the end of this month is delayed, the construction company will be fined.A. to be completed B. is completed C. completed D. being completedkey: A295. _ are the days when the black _ treated as slaves.A. Gone.are B. Gone.were C. Going.are D. Having gone.werekey: B296. _ the usual millio
15、naire never uses money and always gets other people to pay is _ he is used to thinking so.A. Why.because B. Because.so C. The reason.that D. The reason.becausekey: C 可以看成是句式 the reason (why.) is that.297. It was said that a series of experiments were performed _ Dr.Kevins nervous system was linked t
16、o a computer.A. in which B. which C. that D. whenkey: A Dr.Kevins nervous system was linked to a computer in the experiments. 注意: 如果D while也是正确的298 She stayed up late _ she did a lot of housework.A. the night B. in the night C. during the night D. for the nightkey: A 空白处填的是具有连词性的词,因为它要连接两个句子299. He lives in a flat, _ he can see _ is happening in the street.A. where.anything B. from the window of which.everythingC. from where.anything D. from whose window.all thatkey: D300. Be careful with the paper. It _ easily.A. tears B. is torn C. breaks D. is brokenkey: A