题目内容
10．-Mum，can I play football with Tom this afternoon？-You can go out to play _____ you finish your homework first．（ ）
| A． | unless | B． | in case | C． | even if | D． | provided that |
分析 --妈妈，我今天下午可以和汤姆踢足球吗？
--如果你首先完成了家庭作业你可以出去玩．
解答 答案是D．本题考查从属连词辨析．unless除非，如果不；in case以防，万一；even if即使；provided that如果；根据语境，"如果"完成的家庭作业，可以出去玩，故选D．
点评 首先要理解连词的功能：并列连词连接并列的词、短语或句子；从属连词连接主从句；其次理解各连词含义；最后结合语境做出判断．
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20．Have you ever dreamed about a trip to space？（36）Aof some vegetables and crops are a lot （37）Cthan you，as they have traveled to space and （38）B．
China is among the three countries in the world that（39）Aagricultural research in space．（40）Care Russia and the US．（41）B1987，China has sent about 1，000species of （42）Cinto space．These include green peppers，tomatoes，cucumbers，carrots，lettuce and wheat．Even on China's first manned spacecraft Shenzhou-V，there were some seeds from Taiwan．
"（43）Ain outer space such as radiation and low gravity can cause big changes in the seeds，"said Chinese researcher JinXing．
But not all seeds are better （44）Bgoing to space．After returning to （45）Athe best seeds are selected．These seeds produce much more and also grow （46）Dthan normal seeds．
As the（47）Bof genetically modified（转基因的）food is still being debated，some people （48）Athe safety of these"space vegetables"because some of their genes are changed during the trip to space．
But Jin（49）Ba more positive view．He said，"unlike genetically modified crops，no new genes are （50）Cto the space vegetables，so they are certainly （51）D．
China has also been cooperating with NASA to grow some super （52）Apotatoes on the International Space Station．Special growth rooms use computers to （53）Bthe light，temperature and humidity（湿度）．（54）Athis technology a new，virus-free potato can be produced every 40to 50days instead of the previous （55）Ccrop．
China is among the three countries in the world that（39）Aagricultural research in space．（40）Care Russia and the US．（41）B1987，China has sent about 1，000species of （42）Cinto space．These include green peppers，tomatoes，cucumbers，carrots，lettuce and wheat．Even on China's first manned spacecraft Shenzhou-V，there were some seeds from Taiwan．
"（43）Ain outer space such as radiation and low gravity can cause big changes in the seeds，"said Chinese researcher JinXing．
But not all seeds are better （44）Bgoing to space．After returning to （45）Athe best seeds are selected．These seeds produce much more and also grow （46）Dthan normal seeds．
As the（47）Bof genetically modified（转基因的）food is still being debated，some people （48）Athe safety of these"space vegetables"because some of their genes are changed during the trip to space．
But Jin（49）Ba more positive view．He said，"unlike genetically modified crops，no new genes are （50）Cto the space vegetables，so they are certainly （51）D．
China has also been cooperating with NASA to grow some super （52）Apotatoes on the International Space Station．Special growth rooms use computers to （53）Bthe light，temperature and humidity（湿度）．（54）Athis technology a new，virus-free potato can be produced every 40to 50days instead of the previous （55）Ccrop．
| 36．A．Seeds | B．Roots | C．Leaves | D．Stems |
| 37．A．happier | B．thinner | C．luckier | D．taller |
| 38．A．out | B．back | C．down | D．up |
| 39．A．carry out | B．turn out | C．make out | D．take out |
| 40．A．Another | B．The other | C．The others | D．Others |
| 41．A．In | B．Since | C．From | D．To |
| 42．A．crops | B．genes | C．seeds | D．vegetables |
| 43．A．Conditions | B．Situations | C．The air | D．Temperatures |
| 44．A．before | B．after | C．since | D．for |
| 45．A．Earth | B．Space | C．Air | D．Sun |
| 46．A．slower | B．sooner | C．smaller | D．faster |
| 47．A．price | B．safety | C．cost | D．possibility |
| 48．A．doubt | B．worry | C．believe | D．wonder |
| 49．A．hands | B．holds | C．takes | D．catches |
| 50．A．brought | B．taken | C．introduced | D．added |
| 51．A．delicious | B．sweet | C．nice | D．safe |
| 52．A．size | B．length | C．color | D．shape |
| 53．A．take | B．control | C．give | D．make |
| 54．A．Using | B．Judging | C．Developing | D．Considering |
| 55．A．monthly | B．daily | C．yearly | D．weekly |
1．-Thank you very much for helping me out of trouble，Bob．
-________．（ ）
-________．（ ）
| A． | With pleasure | B． | My pleasure | C． | That's right | D． | I hope so |
18．I regret not having taken your advice．Otherwise I_______ this mistake．（ ）
| A． | didn't make | B． | wouldn't make | ||
| C． | hadn't make | D． | wouldn't have made |
5．-Why wasn't John hired for the job？
-I don't know，but he ．（ ）
-I don't know，but he ．（ ）
| A． | was | B． | had been | ||
| C． | should have | D． | should have been |
15．一 Is this the first time you_______abroad？
一 Oh，no．The second time．（ ）
一 Oh，no．The second time．（ ）
| A． | travel | B． | are traveling | C． | traveled | D． | have traveled |
2．It's time that you ____ with the relief work in the flood-stricken area after the awful typhoon．（ ）
| A． | must help | B． | can help | C． | helped | D． | have helped |
19．With all the clothes ___，Jane went to see her grandfather in hospital．（ ）
| A． | washed | B． | washing | C． | being washed | D． | to be washed |
20．-Did you enjoy yourself last night？
-Yes，it's very nice of you．I appreciated to the party．（ ）
-Yes，it's very nice of you．I appreciated to the party．（ ）
| A． | to be invited | B． | to have invited | ||
| C． | having been invited | D． | having invited |