A best title for this passage might be______.
A. Breathing Diseases
B. Lung Cancer
C. How Smoking Mothers Affect Their Children
D. Smoking Is Not Good for Mothers and Children
查看答案
It can be inferred from the passage that the author ______.
A. hasn't formed his own opinion on the problem
B. defend the old system which was good enough for our grandparents
C. think that we should treat the modem methods calmly and not overcorrect the old system
D. accept the theories of modem psychology totally
Which of the following is closest in meaning to "They were cold and wet through, but none
A. For such an experience, being cold and wet through was not bad for them at all.
B. They were cold and wet through, which was the worst thing of all.
C. They were even worse than cold and wet through at the bottom of the sea.
D. Considering what they had just experienced, being cold and wet through was not bad for them at all.
Doctors found that the lungs of the children whose mothers smoked______.
A. had developed as fast as they should
B. had not developed as fast as they should
C. had not developed at all
D. had developed faster than they should
How many times have the doctors tested the children for five years？
A. Ten times.
B. Five times.
C. Once.
D. Twice.
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