题目内容

Only after my friend came      .


  1. A.
    did the computer repair
  2. B.
    he repaired the computer
  3. C.
    was the computer repaired
  4. D.
    the computer was repaired
C
试题分析:考察only的部分倒装句。当only放在句首,且强调的是状语的时候,后面的主句使用部分倒装的形式。本题中only放在了句首,强调的是时间状语从句after my friend came,后面的主句使用部分倒装was the computer repaired的形式。A项缺少被动的含义。句意:只有在我的朋友来了以后,电脑才被修好。故C正确。
考点:考察only的部分倒装句
点评:部分倒装即只把谓语的一部分(如助动词、情态动词等)放到主语前,或把句子的强调成分提前。
Nor did he let the disease stop him from living the kind of life he has always dreamt about(疾病没有使他放弃过上梦想中的生活)
1) 以否定词开头的句子要求部分倒装。注意下列句子中助动词或情态动词提前、甚至补充助动词的用法:
例:Not until yesterday did little John change his mind.(小约翰直到昨天才改变了主意。)
In no country other than Britain, it had been said, can one experience four seasons in the course of a single day.(据说除了英国世界上没有哪个国家能让人在一天中感受到四季变化)
2) 以否定副词开头并加状语放在句首的句子要求部分倒装。这些否定副词有barely, hardly, little, seldom, scarcely…… when, never, no sooner…… than, rarely, no more, not nearly, not only等以及only。
Only in the country can you learn the “true English”.
3)一些如scarcely……when, no sooner ……than, hardly……when引导的主从复合句主句要求使用过去完成式。
注意:在部分倒装句中,只有助动词、情态动词或连系动词to be可以置于主语之前,其它部分都要置于主语之后。
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One of the main causes of the large amount of dangerous waste is that people do not realize how large a problem it is. Because it can be simply removed and sent to a landfill(废渣填埋场),the problem is often believed to end there. In addition, industries have often shown an unwillingness to find ways to deal with dangerous waste because of the related expenses. Many industries and governments build simple landfills to store waste, and often just pour waste chemicals into nearby bodies of water. Often, chemicals used for industrial production cause dangerous forms of waste.The amount of these chemicals has increased greatly in the past, but it is often difficult and expensive to get rid of these chemicals or to store them in a way safe to human life and the environment.

Every year, major health problems result from dangerous waste. Sadly, it is often only after someone has died or become seriously ill that governments will take measures to reduce levels of harmful waste.

Some governments have realized how serious the dangerous waste problem is and are now trying to settle this problem. They are also trying to limit the amount of waste industries are allowed to produce.

Not only governments but ordinary people as well must work together to solve the problem. They can choose not to buy those products which require the production of dangerous waste, and produce less harmful waste themselves. Many scientists think that waste production can be cut. The waste can be reduced by at least one third using existing technologies and methods.

1.What would be the best title for the text?

A.Measures of Reducing Dangerous Waste

B.Danger of Harmful Waste to Mankind

C.Dangerous Waste and Water Pollution

D.Environmental Protection

2.According to the text, people ________ .

A.do not produce harmful waste in their daily life

B.do not know where to place the dangerous waste

C.are not clear about how serious the dangerouswaste problem is

D.are not sure about where harmful waste ends

3.What troubles industries most in dealing with the dangerous waste problem?

A.How to get government support.

B.How to increase their production.

C.How to store harmful waste.

D.How to cut down the related costs.

4. What can be inferred from the passage?

A.The polluting industries are not allowed to sell their products.

B.Present technologies have settled the harmful waste problem.

C.Everyone should obey the government rules for the problem.

D.To solve the problem requires the efforts of the whole society.

 

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Many factors in life play an important role in developing obesity among teenagers. Generally, obesity happens when a Person uses more calories than he burns up. A child of fat parents is at higher risk to develop obesity. If both the parents are overweight, then there are 80% chances of developing obesity in children. Also, poor eating habits and lack of exercise can develop obesity in teenagers.

Obesity is a serious condition as it can result in many health problems in any age. Fat children are at greater risk of developing diabetes, high blood pressure, heart diseases and breathing problems. A fat child also shows signs such as daytime sleepiness, morning headache, ete.

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Obesity among teenagers can be treated by changing diets, increasing physical activities and taking certain medicine. Foods containing fats and high calories should be strictly removed from their diet. However, you should be careful that teenagers should get enough nutrients required for a healthy growth through their diet. You should make sure the children join in more physical activities and exercise. In some severe cases, the drugs should be given only after seeing the doctor.

 

 

 

 

 

 

 

 

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