语法填空之从句练习

1、精选优质文档-倾情为你奉上语法填空之从句一、名词性从句1.正确分析句子成分是做对题的关键。2.连接词的特点：that没有意义，在从句中只起连接作用，不充当句子成分； whether, if 表“是否”，在从句中只起连接作用，不充当句子成分； what, which, how, where, when, whatever等，有各自的意义，在从句中担任成分。3. that 引导主语、表语、同位语从句时不省略；有多个that引导的宾语从句时，只有第一个that可省略；引导的宾语从句中含有从句时，也不省略。4. 介词后一般不接that引导的宾语从句，此时需要用it作形式宾语；某些动词enjoy, ha

2、te, have, like, love, appreciate, take也不能接that引导的宾语从句，此时需要用it作形式宾语。如：You may rely on it that he will come on time.5. reason做主语时，表语从句只能用that引导。6.doubt 在肯定句中其后的宾语从句常用whether, if 引导；doubt在否定和疑问句中其后的宾语从句常用that引导。如：There is some doubt _whether_ he will come tomorrow.7. 与if相比较，whether 引导所有名词性从句，也可用于连接介词后的

3、宾语从句，可以discuss, decide 后引导宾语从句，还可与or not 连用。*考题检验1. _ Barbara Jones offers to her fans is honesty and happiness.2. There is clear evidence _ the most difficult feeling of all to interpret is bodily pain.3. World Aids day is also important in reminding us that HIV has not gone away, and _ there are m

4、any things still to be done.4. News came from the school office _ Wang Lin had been admitted to Beijing University.5. I was close to being killed the other day. A car passed me at _ I thought was a dangerous speed.6. There is no doubt _ John will support you.7. Could I speak to _ is in charge of Int

5、ernational Sales please?8. We have offered her the job, but I dont know _ she will accept it.9. Twenty students want to attend the class that aims to teach _ to read fast.10. I am afraid hes more of a talker than a doer, which is _ he never finish anything.11. As far as I can see, there is no possib

6、ility _ he will win the tennis match this time.12. American scientists have discovered that walnut trees can produce more than walnuts. The scientists say walnut trees also can make a chemical form of the popular pain-killing medicine aspirin. The trees do this under the stress of disease 1_ other t

7、hreats. Scientists say the chemical may help the trees reduce damage from dry weather, unseasonable temperature 2_ other changes in the environment. The results are important 3_ presence of the chemical could warn growers early 4_ a tree is in danger. Growers could recognize a problem 5_ leaves on w

8、alnut trees die and fall off. The scientists say the 6_(find) also show that a plant can communicate with other plants through the atmosphere. For example, a tree could communicate 7_ it is under attack from insects. 8_ that information, a grower could begin corrective treatment. Researchers 9_(know

9、) for a long time that laboratory plants may produce methyl salicylate, aspirins chemical form. Aspirin was first made from the bark covering on willow trees. 10_ the researchers had never before found methyl salicylate in a forest. They have not confirmed that trees could emit, 11_ give out, large

10、amounts of the chemical into the atmosphere.答案：1,what 2. that 3. that 4. that 5. what 6.that 7. whoever 8. whether/if 9. how 10. why 11. that12(1. or 2. and 3, because/as/since 4. that 5. before 6. findings 7. when 8. With 9. have known 10. or二、定语从句*做题指导1. 正确分析句子成分是做对题的关键。2. 引导词的特点： *关系代词：which, tha

11、t, who, whom, whose； 关系副词when, where, why 和that。（略） *that既指人又指物，先行词是everything, all等或有 the first, the most, the very 等修饰时都能用，所以一般情况下用that引导定语从句比较保险，但以下情况不能用，切记： a. 在非限制性定语从句中（从句前面有逗号与主句隔开），用which或who, whom; b. 前面有介词时，用which 或whom; c. 前面的先行词是anyone, those 时， 用who； *as 和which 可以引导非限制性定语从句，指代整个句子（which

12、有时也仅仅指代主句的一个词和一部分）。which引导的这种从句只能放在主句后，as 引导的这种从句可以放在主句前、后、或在中间插入。另外，以下短语几乎成为固定搭配：as is often the case, as is known to all, as is hoped, as is natural, as is reported, as has been said, as we know。 如：_As_ is announced in todays newspapers, all the schools will reopen on Sept. 1st. *当先行词为case, situat

13、ion, condition, point 时， 且从句不缺少主要成分，用where引导；而出现occasion常用when; * 关系副词where, when 有时用作关系代词； 如：He climbed up to the top of the temple, from where he could see nothing but trees. * which 偶尔也指人，着重于该人的品质，地位，身份，而不是人本身。 如：Her sister has become a lawyer, which she wants to be. *比较： a. There are 20 people i

14、n the bus, most of _ are boys. b. There are 20 people in the bus, most of _boys. c. There are 20 people in the bus and most of _ are boys. key: whom/ them/them * 比较： a. _ is known to us all, the earth goes around the sun. b. _ is known to us all is that the earth goes around the sun. c. _ is known t

15、o us all that the earth goes around the sun. Key: As/ What/It *比较： a. He is one of the students who _ (praise) by the teacher. b. He is the only one of the students who _(praise) by the teacher. Key: were praised/was praised * 比较： a. Rose is such a kind girl _ will surely give others help if possibl

16、e. b. Rose is such a kind girl _ she has won a high reputation in our class. Key:as/that考题检验1. There isnt a moment _ Im not thinking of you.2. I hate the way _ you never look at me when you speak to me.3. Thousands of Haitians cheered as the Chinese medical team arrived, many of _ even cried with jo

17、y.4. She showed the visitors around the museum, the construction of _ had taken more than three years.5. She has married again, _ was unexpected.6. The Beatles, _ many of you are old enough to remember, came from Liverpool.7. It is such a good place _ everybody wants to go and visit _ it is well kno

18、wn all over the world. 8. The book was written in 1946, _(during which/ since when) the education system has witnessed great change. 9. One of the boys who _(be) my friends _(be) very good at English. 10. Occasions are very rare _ I have the time to spend a whole day with my kids. 11. I will put the

19、 book _ you placed it and make a mark at the place _ can be easily seen. 12. It is on the morning of May first _ I met Liang at the airport. 13. Influenza, or flu, is 1_ common infection of the nose and throat, and sometimes the lungs. The cause is a virus that passes from one person to another. The

20、 virus spreads through the air 2_ an infected person expels air suddenly.Medical experts have identified three major kinds of influenza. They call them type A, B and C. Type C is 3_(little) serious. People may not even know they have it. But researchers study the 4_ two kinds very closely. Viruses c

21、hange to survive. This can make 5_ difficult for the body to recognize and fight an infection.A person 6_has suffered one kind of flu develops the same kind again. The bodys defense system produces antibodies. These substances stay in the blood and destroy the virus 7_ it appears again. 8_ the body

22、may not recognize a flu virus 9_ has even a small change.Each year, researchers develop vaccines(疫苗) to prevent the spread of the flu virus. The WHO holds meetings in 10_ experts discuss 11_ kinds of flu viruses to include in the next vaccine.Key: 1. when 2. that 3. whom 4. which 5. which 6. which 7

23、. as ; that 8. since when 9. are;is 10. when 11. where;where 12. that 13. (1. a 2. when 3. least 4. other 5. it 6. who 7. when 8. But 9. which/that 10. which 11. what三、状语从句和连词*做题指导1. 熟悉状语从句的分类，熟悉每个连词的语义和语用特征，尤其是：as, since的灵活运用；before, until, unless, while, as, if, in case 这些难以区分的词。 2. 区分常用的含时间状语的句型，

24、如 Its/It has been + 一段时间+ since; It is/was +具体时间+ when; It will be/was +一段时间+before; It is/was + 时间状语+ that3. before sb. knew it (不知不觉) Before I could say a word(还来不及说什么) before long(不久以后)4. be on the point of doingwhen; be about to do when; be doing when; had just done when;5. as 作连词可以表“因为”，“当时候”，“

25、照.那样”，“尽管”； 表“作为”时是一个介词。6. No sooner than; Hardly when;考题检验1. More often, it would be better _ we dont pretend we feel strong _ we are weak or pretend _ we are brave when we are scared.2. _ all of them are strong candidates, only one will be chosen for the post.3. I usually do the washing-up and lea

26、ve the cooking to my wife, _ she is a better cook than me.4. He had no sooner finished his speech _ the students started cheering.5. One Friday, we were packing to leave for a weekend away _ my daughter heard a cry for help.6. _ football is her main focus, she is also great at basketball.7. Strange

27、_ it sounded, his idea was accepted by all the people at the meeting.8. How long do you think it will be _ the computer puts forward a new product?9. They notice that plants dont grow well _ is much shade.10. The girl sang happily _ she walked along the lake.11. 40-year-old Scott crossed the finishing line of the London Marathon yesterday 1. _ walking for 128 hours in a deep sea divers suit weighing 54 kilos. He did it 2_(raise) money for children with cancer. Mr. Scott once has suffered from cancer himself and has been living under i