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高二英语练习：高二英语同步测试题2阅读理解四

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American doctors say that mothers who smoke before their babies are born may slow the growth of their babies’ lungs .They say reduced lung growth could cause the babies to suffer breathing problems and lung disease later in life .Doctors in Boston ,Massachusetts studies 11 000 children .The mothers of some of the children smoked ;the other mothers smoked did not .Fdoctora found that the lungs of the children whose mothers were 8% .less developed than the lungs of the children whose mothers did not smoke ,and that the children whose mothers smoked developed 20% more cold and breathing diseases than other children later in life .

Another recent study found that children had a greater chance of developing lung cancer if their mothers smoked .The study also showed that the danger of lung cancer increased only for sons and not for daughters ,and that the father’s smoking did not affect a child’s chance of developing lung cancer .

68．Doctors in Boston studied 1100 children to .

A．make sure that these children were healthy

B．find out whether their mother had smoked

C．find why these children suffered breathing problem

D．look into the effect mother’s smoking had on their children

69．According to the text ,which of the following is true ?

A．The lungs of the children whose mothers smoked were 8% less developed than those of other children

B．Mothers who smoked did not reduce the growth of their children’s lungs .

C．The children whose mothers hadn’t smoked developed 20% more cold and breathing diseases than other children .

D．The lungs of the children whose mothers didn’t smoke were 8% less developed than others.

70．Suppose John’s father was a heavy smoker ,so was Mary’s mother According to the

passage , .

A．John is more likely to develop lung cancer

B．Mary is more likely to develop lung cancer

C．Both John and Mary may have the same chance to develop lung cancer

D．Neither John nor Mary may have the chance develop lung cancer

71．The passage is to .

A．warn us of the danger of smoking before children

B．warn people with breathing problems not to smoke

C．warn us that mothers who smoke may affect their children’s health

D．warn us that fathers who smoke may affect their children as mothers

通过阅读“高二英语练习：高二英语同步测试题2阅读理解四”这篇文章，小编相信大家对高中英语的学习又有了更进一步的了解，希望大家学习轻松愉快!

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