18.A.laughter
B.cry
C.happiness
D.joy
解析:选D。从下文得知,他三年没有回家看妈妈了,因此现在有了路费可以回家了,他非常高兴(joy),激动得热泪盈眶。
19.A.watched
B.visited
C.missed
D.called
解析:选B。宾语是my mother,应填visit,表示“看望,探望”。
20.A.giving
B.offering
C.money
D.having
解析:选A。giving“给予”,本文讲述的是“我”帮助别人的故事。.阅读理解
A
(2009年武汉4月)Weighing too much can damage your health,and obesity is a growing problem for both kids and adults around the world.
Sleep might be one answer to the problem. A new study has found that elementary school students who slept too little were more likely to gain pounds. In the United States today, some 9 million children over the age of 6 are obese(too fat).
Past studies have shown a link between sleeping less and weighing more,but scientists have had a tough time determining“Which came first,the chicken or the egg?” says Julie C. Lumeng of the University of Michigan in Ann Arbor. In other words,it hasn’t been clear whether kids who weigh too much have trouble sleeping, or whether sleeping less leads to weight gain. Both scenarios(情况)seemed equally possible.
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