阅读短文,掌握其大意,然后从方框中所给的词中选出最恰当的单词,并用其适当形式填空old exercise re...
问题详情:
阅读短文,掌握其大意,然后从方框中所给的词中选出最恰当的单词,并用其适当形式填空
old exercise relax medicine use hand well happy alone pretend do want |
Why do people laugh?
Do you laugh every day? Most people ___1___. Scientists say that people laugh about 17 times a day. That is a lot of laughter.
In India, there are hundreds of laughter clubs. The people in these clubs get together every morning. First they put up their __2__ above their heads. Then they _3__ to laugh. Soon everyone is laughing ___4___. People say they feel good after laughing together.
Scientists believe that laughter is good for you. Why? For one thing, laughter is good 5__. When you laugh, you exercise many muscles in your body. Scientists say that one hundred laughs equal ten minutes of running. Laughing helps you 6___. That’s good for you, too.
Why do we laugh? That is a hard question to answer. We know that people laugh more often in a group. They don’t laugh very often when they are __7____. Many scientists believe that we _8_____ laughter to get on well with other people. Laughter helps us feel part of a group.
In England, people say that laughter is the best_9_____. Some think that laughter makes sick people get __10____. Do you think so, too?
【回答】
s end ily cise;
6. relax e cine better
知识点:选词填空
题型:阅读填空
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打秋千时,为使秋千越荡越高,人应有一个从直立到蹲下,又从蹲下到站直的过程.则打秋千时 A.人的机械能是守...
问题详情:打秋千时,为使秋千越荡越高,人应有一个从直立到蹲下,又从蹲下到站直的过程.则打秋千时 A.人的机械能是守恒的 B.人应在最低点站起来 C.人应在最高点站起来 D.人在最低点时失重【回答】C知识点:未分类题型:选择题...
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某班抽取6名同学进行体育达标测试,成绩如下:80,90,75,80,75,80.下列关于对这组数据的描述错误的...
问题详情:某班抽取6名同学进行体育达标测试,成绩如下:80,90,75,80,75,80.下列关于对这组数据的描述错误的是( )A.众数是80 B.平均数是80 C.中位数是75 D.极差是15【回答】C知识点:数据的集中趋势题型:未分类...
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已知铁的一种氧化物,其中含氧元素的质量分数为30%,则这种铁的氧化物的化学式为 ( ) A.FeO ...
问题详情:已知铁的一种氧化物,其中含氧元素的质量分数为30%,则这种铁的氧化物的化学式为()A.FeO B.Fe2O3C.Fe3O4 D.无法判断【回答】B知识点:金属的化学*质题型:选择题...
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已知(1+ɑx)(1+x)5的展开式中x2的系数为5,则ɑ=( )A、-4 B、-...
问题详情:已知(1+ɑx)(1+x)5的展开式中x2的系数为5,则ɑ=( )A、-4 B、-3 C、-2 D、-1【回答】D知识点:计数原理题型:选择题...
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