What used to be the danger in being a man according to the first paragraph? [ A ] A lack of mates. [ B ] A fierce competition. [ C ] A lower survival rate. [ D ] A defective gene.
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答案解析:
第36题正确答案为( )
第36题正确答案为( )A.[ A ] started B.[ B ] conducted C.[ C ] replaced D.[ D ] proposed