Which of the following is NOT true？
A. The mothers' smoking during pregnancy could have affected the children's lungs.
B. Doctors are sure that children whose mothers smoked developed 20% more colds, flu and other breathing diseases than other children.
C. Doctors are sure when the mothers' smoking affected the children's lungs.
D. Smoke-filled air at home could have affected the children's lungs.
查看答案
【B19】
A. ability
B. possibility
C. interest
D. chance
What is meant by "cutting down on luxuries" in the last sentence？
A. To spend as little as you like.
B. To spend as much as you like.
C. To spend as little as possible on luxuries.
D. Not to spend on luxuries.
【B10】
A. get
B. make
C. have
D. do
【B9】
A. when to
B. what to
C. how to
D. where to
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