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Safe Coffee Drinking of Pregnant Women

1 researchers found no evidence of a link between prematurity ,birth weight and the amount of caffeine consumed by mothers-to-be.

2 previous studied suggested caffeine might harm unborn babies as is stays in the system longer in pregnant women, passing easily to a growing baby. Health officials have warned that a high caffeine intake could affect birth weight or the chance of having a miscarriage , pregnant women are advised against drinking more than four cups of coffee a day-or six cups of tea.

3 the study ,by the university of Aarhus in Denmark ,recruited more than 1,000women before they were 20 week’s pregnant, who drank at least three cups of coffee a day. The group was split into two, with 568 women drinking ordinary instant coffee and 629 drinking decaffeinated. The authors then monitored the birth weight of 1,150 newborn babies and the length of pregnancy for the babies.

4 the study, published by the British Medical Journal, found “no significant difference” between the two groups for birth weight or length of pregnancy. The researchers concluded that a moderate reduction in caffeine intake in the second half of pregnancy had “no effect” on the outcome.

5 the women were not told what type of coffee they were drinking ,and the research was adjusted to take into account factors such as age, weight and whether the women smoked. When the adjustments were made, the average weight of babies born to women in the decaffeinated group was a mere 16g higher than those born to women in the caffeinated group, the study said. The average difference in the length of pregnancy was less than two days.

6 A spokeman for the British Coffee Association said:”this new study is very interesting and supports the consistent advice given that pregnant women should stick to a safe upper limit- in line with guidance issued by the Food Standards Agency. This equates to three cups of brewed, or four cups of instant coffee.”

A debate about caffeine intake

B experiment done on the influence of caffeine

Ceffect of caffeine intake on babies and pregnancy.

D traditional ideas and warnings about caffeine

E scientific caffeine allowance

F advantages of caffeine intake

23 paragraph2___________________

24 paragraph 3__________________

25 paragraph5___________________

26 paraghaph6___________________

27 according to the health officials, a High caffeine intake___________.

28 it is advised by the officials that a Pregnant woman___________.

29 the study conducted by university of Aarhus________________.

30 According the new study, a pregnant woman________________.

A should drink moderate cups of coffee and tea.

B showed little difference in the length of pregnancy from the two groups

C should keep away from the instant coffee and tea.

D increased the possibility of abortion.

E should drink no more than three cups of brewed coffee.

参考答案：D B C E D A B E

答案解析：

23 D 第二段提到了以前的关于孕妇摄入咖啡因的调查结果和一些鉴于该研究基础上对于孕妇的忠告。

24 B 第三段主要讲的是对于孕妇的分组试验以检测咖啡因对于孕妇的影响。

25 C 第五段在实验的结果上总结适当摄入咖啡因和未咖啡因对于胎儿的和妊辰期的影响是微乎其微的。

26 E 第六段主要是通过试验得出的结论，即适当摄入咖啡因是安全的，并提出了安全饮用咖啡的数量。

27 D 问题问的是：一些卫生官员对咖啡因高摄取量持什么样的观点?第二段的health officials have warned that a high caffeine intake could affect birth weight or the chance of having a miscarriage,指出咖啡因高摄取量会影响胎儿的体重并且增大流产的几率。注意miscarriage和abortion的同义转换。

28 A 问题问的是：卫生官员们对孕妇有什么样的建议?根据第二段pregnant women are advised against drinking more than four cups of coffee a day-or six cups of tea.得出孕妇应当适量饮用咖啡与茶。

29 B 问题问的是：Aarhus 大学的试验怎么样?文章的第五段提到未射入咖啡因的那组孕妇所生婴儿的平均体重仅为16克。而两组孕妇妊娠期长度的平均差别还不到两天。所以得出两组孕妇的妊娠期没有很大的区别。

30 E 问题问的是：新的试验结果表明了孕妇应该怎么办?最后一句提到了孕妇每天可以喝三杯煮咖啡，或四杯速溶咖啡。因此E是正确的选项。

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