Question

Next time you hear a funny joke you'd better not laugh too hard. According to a paper published by the British Medical Journal ， laughter isn't always the best medicine. Sometimes it can even be harmful. Professor Robin Ferner from the University  of Birmingham, one of the authors of the study, found that bad things could happen to people who laughed too much. He says, "We found people with heartbeat problems which had stopped their hearts, we found people who had fainted (昏倒)，and we found people who'd dislocated their jaws or burst their lungs."

It seems that laughing can be no laughing matter. But it's not all doom and gloom. Professor Ferner says there are benefits to laughing when you want to lose weight, for example. Yes, that's right: laugh and be slimmer! Professor Ferner explains, " You use energy when you laugh, you move your diaphragm(横JH膜)， you expand your lungs, and both those things can be helpful.，，

According to the research, laughing for a quarter of an hour can burn up to 40 calories, and if you laugh all day you'll use up about 2， 000 calories, which is what most people consume in a day. But don't do that or you might end up with a painful jaw. Ouch! Or you might find people looking at you in a funny way.

But I don't want to finish this article leaving you feeling desperate. Laughter comes naturally for most of us. Babies begin to laugh at around 3〜6 months. So give in to your sense of humour and keep smiling. Life is short anyway.

1.    Laughing too much may cause the following harmfulresults EXCEPT     .

A.    heart stop

B.    diaphragm movement

C.    lung burst

D.    jaw dislocation

2.    The underlined phrase " doom and gloom" in Paragraph 2 probably means " 

A. hopeless     B. funny

C.  painful    D. nervous

3.    How many calories can you use if you laugh for half a day?

A.    About 40.

B.    About 1， 000.

C.    About 2, 000.

D.    About 2， 040.

4.    What is the author's attitude towards laughing in the last paragraph?

A, Uninterested.     B. Disapproving.

C.  Worried.  D. Favourable.

Answer 1

【文章大意】本文是一篇科普文。研究表明，笑并不是最好的良药，有时可能是有害的。但笑可以消耗很多热量。无论如何不要放弃微笑，毕竟生命是短暂的。

B 细节理解题。根据第一段"He says, ' We found people with heartbeat problems which had stopped their hearts, we found people who had fainted (昏倒)，and we found people who'd dislocated their jaws or burst their lungs."，可知，笑的危害有心脏骤停、昏倒、下巴脱臼及会伤到肺，故B项没有提到。

A 词义猜测题。根据第二段"It seems that laughing can be no laughing matter. But it's not all doom and gloom. Profes?sor Ferner says there are benefits to laughing when you want to lose weight, for example."可知，笑并不是无用的，教授说，当你想减肥时，笑是非常有效的，故选A项。

B 推理判断题。根据第三段"…if you laugh all day you'll use up about 2， 000 calories, which is what most people con?sume in a day."可知，笑一天消耗2000卡路里，那么笑半天就是1000卡路里，故选B项。

D 推理判断题。根据最后一段"So give in to your sense of humour and keep smiling. Life is short anyway."可知，不要放弃幽默，要保持微笑，毕竟生命是短暂的，故选D项。