2. 外语
  3. Many doctors have become ______ with the possible long-term effects of birth control pills.

Many doctors have become ______ with the possible long-term effects of birth control pills.

admin2013-01-10  28
问题 Many doctors have become ______ with the possible long-term effects of birth control pills.
选项 A、sensible
B、anxious
C、aware
D、concerned
答案D
解析 concern with“关注”。本题考查近义词辨析和搭配，其余几个选项都不与with搭配。
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