题目内容

17.第一节 短文改错 
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文?文中共有10处语言错误,每句中最多有两处?错误仅涉及一个单词的增加?删除或修改?
增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词?
删除:把多余的词用(\)划掉?
修改:在错的词下画一横线,并在该词下面写出修改后的词?
注意:(1)每处错误及其修改均仅限一词;
(2)只允许修改10处,多者(从第11处起)不计分?
Last week we held a discussion on which we should do for our school before we graduate.The students in our class have different suggestion.Some students thought that we can collect money to buy some books for the school library or everything else for the school.Others students argue that there's not necessary to spend money.We can study hard and make our school feeling proud of us.In my opinion,we don't have spend money.We can do something meaningfully without money.For an example,we can do some voluntary work to beautify the school or try to get better results in the coming exams so that our school will be proud of us.

分析 本文是关于毕业后应该为学校做什么的话题.
上一周我们讨论毕业后应该为学校做什么.我们班的学生有很多不同的建议.有些同学建议可以给图书馆买一些书,其他同学认为花钱是没有必要的,我们应该努力学习取得好成绩来为学校增光.我也认为我们可以做不用花钱的有意义的事.

解答 Last week we held a discussion on which we should do for our school before we graduate.The students in our class have different suggestion.Some students thought that we can collect money to buy some books for the school library or everything else for the school.Others students argue that there's not necessary to spend money.We can study hard and make our school feeling proud of us.In my opinion,we don't have∧spend money.We can do something meaningfully without money.For an example,we can do some voluntary work to beautify the school or try to get better results in the coming exams so that our school will be proud of us.
解析:
1.which-what.考查宾语从句的引导词.引导介词on的宾语从句,而且we should do for our school before we graduate缺少宾语,所以用what,表示"上一周我们讨论毕业后应该为学校做什么."
2.suggestion-suggestions.考查名词复数.根据修饰词different,可知用名词复数suggestions,表示"我们班的学生有很多不同的建议."
3.thought-think.考查谓语动词的时态.根据后文的时态可知用用一般现在时态表示学生们的看法,所以把thought改为think.
4.everything-something.考查代词.everything表示"每一件事";something表示"某一件事",本句表示"为学校做其他的某一件事",所以everything改为something.
5.Others-Other.考查代词.Others表示"其他人";Other表示"其他的",修饰名词students用Other.
6.there's-it's.考查固定句式.代指动词不定式 to spend money,做形式主语用it,表示"花钱是没有必要的".
7.feeling-feeling.考查非谓语动词做补语.固定句式make sb do sth表示"让某人做某事".
8.have后加to.考查固定短语.have to表示"不得不".
9.meaningfully-meaningful.考查形容词和副词的区别.修饰不定代词something用形容词meaningful.
10.去掉an.考查冠词.固定短语For example表示"例如".

点评 考查短文改错.
形式主语it 作为形式主语的it并无实际语义,只是为满足语法上的需要,避免句子头重脚轻,它代替的是句子的逻辑主语,概括起来会有如下情况:
不定式作逻辑主语
如:It is very kind of you to give me a hand in time.
从句作逻辑主语
如:It so happened that the tickets were sold out.
动名词短语作逻辑主语
这类句子远不如前面两种出现率高,主要在(no good,waste,useless,no use,dangerous)等词语的后面用
如:It is no use reasoning with him.

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12.Every day,people come into contact with thousands of chemicals.These chemicals are said to be harmless to human health.In fact,the chemicals are considered so safe that we wash with them.We put them on our bodies and even our faces.Other chemical products are used throughout our homes.
By the time you walk out of your front door,you have already been exposed to thousands of chemicals.
On its own,each chemical seems harmless.But in combination with other chemicals,they may become deadly.That is the finding of a two-year study by a high-profile(高调的)task force of scientists.The task force was told to investigate the cancer-causing possibility of chemical mixtures.
Linda Gulliver was one of the 174 scientists on the task force.Their job was to study the cancer-causing potential of 85 chemicals.All 85 are said to be common in the environment.
Ms.Gulliver explains that chemicals have the potential or ability to form dangerous mixtures.Even simple minerals can become dangerous when mixed with chemicals found in plastics or beauty products.
Working in groups,the scientists explored how different chemical mixtures could lead to cancer.Ms.Gulliver's team looked at the ability of different combinations to support the increase of malignant(恶性的)human cells.
She says the current way to identify whether chemicals cause cancer is to test them one at a time.This method leads,she adds,to a long list of supposedly"safe"chemicals.She and her team say that approach needs to change.
"We definitely need certain research…to find out what mixtures of chemicals would be more harmful than others; what groups of chemicals,when together,would produce more harmful effects.And at the moment,that is not known."
An estimated one in five cancers has been linked to chemical exposure.It may turn out that the cancer-causing villain(恶棍)is not a single chemical at all.

32.What effect may one single chemical have on us according to the text?B
A.It may destroy our body.
B.It may not cause danger to us.
C.It may let us suffer from cancer.
D.It may let our body make a change.
33.What can we learn about Ms.Gulliver's research?D
A.She has found 85 cancer-causing chemicals.
B.She has found reasons for five kinds of cancers.
C.She has found that only one chemical can cause cancer.
D.She is not sure what mixtures of chemicals are more harmful.
34.According to the text,we can infer that the studyB.
A.is just wasting time and money
B.is still in need of great efforts
C.will cause panic in public
D.will be resisted by the public
35.What is the best title for the text?A
A.Mixtures of Safe Chemicals May Cause Cancer
B.Being Exposed to One Chemicals Is Dangerous
C.How Mixtures of Safe Chemicals Come into Being?
D.What Is the Real Cause For Cancer?

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