题目内容

1.人们采取更多的措施保护地球是非常有必要的。

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2.他一生都专注于帮助贫困地区的儿童了。

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3.在消防员们的帮助下,那场大火被最终扑灭。

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4.这本书很有用,值得看。

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5.我不确定这个手提包是否是棉制的。

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相关题目

Is it true ?

1.Wearing the wrong type of glasses will do harm to your eyes .

This is not true for adults , although incorrect glasses may not be good for children under 10 . Ready-made glasses , and not wearing when you should , won’ t do harm to your eyes , but you may see better with glasses that are specially made for you .

2.Watching too much television is bad for you eyes .

This is not true. People with easily affected eyes may find they get red and aching from staring at a fixed distance for long periods , but there won’ t be any lasting effects .

3. Carrots will help you see in the dark. Carrots are rich in beta-carotene, which the body can change into vitamin A, too little of which can cause night blindness. However , people in most countries don’ t need to worry about vitamin A deficiency(缺乏), night blindness is more likely to be connected with another vision problem .

1.Night blindness is most likely caused by _____ .

A. staring for long periods B. too much beta-carotene

C. not enough vitamin A D. vision problems

2.According to the article , eye problems can be corrected by _____ .

A. wearing specially-made glasses B. performing eye exercises

C. cutting back on television D. eating more carrots

3.Watching too much television can cause _____ .

A. night blindness B. lasting eye problems

C. a number of vision problems D. eye trouble for a limited time

4.The main purpose of this article is to _____ .

A. tell people of the importance of their eyes

B. tell people how to protect their eyes

C. tell people to have more carrots

D. tell people something more about their eyes

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