2. 外语
  3. Doctors are sure that more test-tube babies are girls than boys. Doctors can’t explain the high number of caesareans.

Doctors are sure that more test-tube babies are girls than boys. Doctors can’t explain the high number of caesareans.

admin2009-06-15  44
问题 Doctors are sure that more test-tube babies are girls than boys.
Doctors can’t explain the high number of caesareans.
选项 A、Right
B、Wrong
C、Not mentioned
答案B
解析 见第三段末句。
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