关于围绝经期的内分泌变化，哪项错误
A. 卵巢功能衰退
B. 下丘脑和垂体功能退化
C. 促性腺激素分泌增多
D. 卵巢逐渐停止排卵，雌激素分泌减少
E. 促性腺激素分泌减少
The author mean that ______ by saying "Yet few people ask from books what books can give US".
A. lots of people read few books
B. readers have only absorbed part of knowledge in books
C. few people have a proper idea about what content some kind of books should include
D. readers can scarcely understand most of the books
The ship took machines and other goods back to the port ______ it had set off.
A) from which
B) to which
C) which
D) in which
绝经期尿中促性腺激素的变化哪项正确
A. 排出量不变
B. 不确定
C. 增加
D. 水平极低
E. 减少
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