卵泡膜细胞有其受体,结合后使细胞内胆固醇形成睾酮和雄烯二醇
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This question is not ______ that one.
A. so difficult than
B. so difficult as
C. as difficult than
Which of the following costs of consignment are fixed? ()
A. costs of documentation
B. costs of insurance
C. costs of customs clearance
D. costs of shipment
需要系数法尤其适用配、变电所的负荷计算。()
A. 正确
B. 错误
一般认为,凡遗传度高于()的心理疾病就可认为有遗传倾向。
A. 60%
B. 70%
C. 80%