填空题

American doctors say that mothers smoke before their 21
babies are born may slow the growth of their babies 22
lungs. They say reducing lung growth could cause 23
the babies suffer breathing problems and lung disease 24
late in life. Doctors in Boston studied 1,100 children. 25
The mothers of some of the children smoked; the other 26
Mothers did not. Doctor found out that the lungs of the 27
children whose mothers smoked were 8% less developed as 28
the children whose mothers did not smoke, that the 29
children whose mothers smoked were developed 20% more 30
cold and breathing diseases than the other children.

答案: suffer前加to[解析] suffer from意为“为…受苦,因…而吃苦头”,为固定表达方式。
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