题目:
精卵结合形成受精卵的位置在( )
A.左卵巢
B.输卵管
C.子宫
D.右卵巢
答案:
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小题1:D小题2:C小题3:A小题4:C小题5:B题目分析:小题1:D 推理题。根据文章第一段1,2行John Smith was a writer, who wrote detective stories for magazines(杂志), though he never dealt wit...