单项选择题

Women who smoke during pregnancy produce ______.

A．lighter babies than those who don't
B．heavier babies than those who don't
C．babies who can't live long
D．babies who suffer from heart diseases
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单项选择题
What is the main idea of the passage
A．Man—smokers live shorter than woman—smokers.
B．All the deaths in Britain result directly from tobacco smoking.
C．Smoking is the main killer of babies.
D．Smoking can give rise to several major diseases.
单项选择题
Which of the following is NOT mentioned in the third paragraph
A．Group work gives pupils the opportunity to learn to work together with others.
B．Pupils also learn to develop their reasoning abilities.
C．Group work provides pupils with the opportunity to learn to be capable organizers.
D．Pupils also learn how to participate in teaching activities.
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