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【单选题】
在研究蛋白合成中 , 可利用嘌呤霉素 , 这是因为它: ( )A.
使大小亚基解聚
B.
使肽链提前释放
C.
抑制氨基酰 -tRNA 合成酶活性
D.
以上都正确
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举一反三
【单选题】以下关于巩膜正确的是
A.
巩膜占眼球血管膜的后5/6
B.
巩膜与角膜的交界处有巩膜静脉窦
C.
巩膜透明，厚而坚韧
D.
巩膜有营养眼内组织的作用
E.
巩膜是血管膜最肥厚的部分
【简答题】The girl's father promised to ( ) my suggestion that he should send her abroad for her college education.
【单选题】The girl’s father promised to ____ my suggestion that he should send her abroad for her college education.
A.
give thought to
B.
come up with
C.
fit into
【单选题】The girl's father promised to()my suggestion that he should send her abroad for her college education.
A.
count on
B.
give thought to
C.
go into
【单选题】Because Turandot is drunk ____ power, she ______ try and _____ her father, who has promised to allow her to choose her own husband.
A.
with ; dare to ; exercise control over
B.
with; dares to ; exercises control over
C.
by ; dare ; exercises control over
D.
in ; dares to ; exercise control over
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