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【单选题】
关于性腺轴的描述下列何错误的（）。A.
FSH在整个期中都产生，但在排卵前1～2日有峰值
B.
FSH，LH在下丘脑产生的激素控制下分泌
C.
卵巢周期性变化，直接受到下丘脑和垂体控制
D.
孕激素在月经周期中出现2个峰值，后面峰值较高
E.
雌激素在月经周期中表现为排卵后的峰值比前面平坦
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举一反三
【单选题】牙周病的维护期应进行的内容是
A.
长期服用抗菌素
B.
有问题出现时再进行复查
C.
定期牙周检查和洁治
D.
只针对口腔卫生差的人进行宣教
E.
复查时应每2个月拍X线片
【多选题】What could a chair say to deal with the situation when dispute emerges during the discussion? There are three proper expressions listed in the choices. Choose all of the correct answers.
A.
Has anyone got anything to add to Dr. Yang’s presentation?
B.
Since we do not seem to be able to resolve this difference now, could we move on to the next point?
C.
What do others think regarding the points debated by Dr. Adam and Prof. Ben?
D.
I’m afraid the above misunderstanding was due to the pronunciation.
【单选题】Which of the following is NOT the problem the American blacks had to face according to the passage?
A.
Inadequate schools for children.
B.
Unstable families.
C.
High employment rate.
D.
Children taking drugs.
【简答题】American blacks are said to be the _________ of African slaves.
【简答题】A．There are more American Indians than Blacks in the U. S. B．A large portion of American Blacks now live in the southwest. C．The first immigrants to America were English and Dutch. D．African Blacks ca...
【单选题】牙周病维护期应进行的内容是
A.
只针对口腔卫生差的人进行宣教
B.
长期服用抗生素
C.
定期牙周检查及洁治
D.
有问题出现时才需复查
E.
复查时应每2个月拍X线片
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