语义理解性题目：题目要求对文中个别单词、关键词、词组或句子做出解释。解答这类题目时需要对有关的上下文，甚至整篇文章的内容建立准确、立体的理解才能做出正确答案。对于这类题目我们可以用下面的解题方法来解答：

（1）快速阅读文章后的4~5道题目，并将题目中的关键词（一般为实词，含有重要信息）用笔划下来。这样做的目的有两个：一是获得将要阅读的文章的大概意思，二是为解题做好准备。

（2）快速阅读原文。一边阅读一边划出文章中的含有重要信息的词、短语或句子。如果将文章中的重要信息都划出来了，到第三步解题时寻找所需信息就容易了。这比盲目地寻找方便得多。

（3）根据文章中所阐述的事实细节和上下文的暗示与线索进行综合分析，然后做出推断预测或得出合情合理的结论。因此，考生必须细读全文，不仅要懂得文章的表层意义，还要理解深层的内含；不仅要掌握作者的观点倾向，还要获取字里行间隐含的信息。但同时必须提醒考生的是切忌无根无据地随意猜想或推理，把白的东西说成是黑的，把自己的观点当作是作者的。也就是说你所做的每一个推断或引申都应该是合情合理的，具有充分依据的。

Passage 1

We've talked about snails (蜗牛) and their slow move.But much of the time snails don't move at all. They are in their shells (壳) -sleeping.

Hot sun will dry out a snail's body. So at the leastsign of hot sun, a snail draws its body into his shell. A snail will die in aheavy rain. So when it rains, a snail does the same thing, too. A snail cansleep for as long as it needs to. It spends all the winter months in its shell,asleep.

In the spring the snail wakes up. Its body, aboutthree inches long, comes out from the shell. When hungry, the snail looks forfood. Its eyes, at the end of the top feelers (触角), are very weak. But its sense (感觉) of smell is verystrong. It helps the snail to find food and the new greens.

A snail's mouth is no bigger than the point of a pin(大头针). Yet it has 256,000teeth! The teeth are very small, and you can't see them. If you put a snail ina hard paper box, it will eat its way out! And if a snail wears out its teeth,it will grow new ones.

1.A snail _________.

A. moves more slowly at nightB. has thousands offeet

C. doesn't move at all D. sleeps much of thetime

2.In the sentence "A snail draws its body intoits shell", the word "draw" means _____.

A. to make with a pencil B. to pushC. to pull D. to moveaway

3.From the story, we know _________.

A. a snail's shell is very thin B. a snail can't seewell

C. a snail's nose is quite short D. a snail's bodychanges in different seasons

4.A snail goes to sleep when _____.

A. it feels hungry B. it is put into a paper box

C. spring is coming D. it rains heavily

5.Which of the following is wrong?

A. In winter the snaildoesn't eat or move.

B.A snail doesn't likeliving under the sun.

C. The snail's teeth can'tbe worn out.

D. The snail's nose helps tofind food.

【答案与解析】这篇短文向我们介绍了蜗牛的生活习性。无论是烈日当空，还是大雨滂沱，蜗牛都会像整个冬季一样，呆在壳里睡觉。春天来临的时候，蜗牛就拖着三英寸长的身体从壳里钻出来，靠它那灵敏的触角觅食。别看它的嘴比大头针尖大不了多少，却长着25万多颗牙齿呢！

1.D。根据开头的"But much of the time snails don't move at all.They are in their shells ----sleeping."这句话，显然只有D是正确答案。

2.C。本题属熟词新义。由"Hot sun will dryout a snail's body. So at the least sign of hot sun, a snail draws its bodyinto his shell."一句的意思，尤其是要仔细考虑关键词"into"对猜测词义的辅助作用，可知蜗牛一旦碰到炙热的太阳，就会把身体蜷缩进壳里。

3.B。答案即是"Its eyes, at the end of the top feelers arevery weak."这句话。

4.D。关键要理解好"So when it rains, a snail does the samething, too."这句话中的"the same thing"的意思。事实上，由"In the springthe snail wakes up. … comes out from the shell."和"…in a hard paper box,it will eat its way out!"是很容易排除B、C和A的。

 5.C。根据短文最后一句话"And if a snail wearsout its teeth, it will grow new ones."，可以判断C项是明显的错误。

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