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【简答题】
重建载波的方法和作用有哪些?
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皮皮学刷刷变学霸
举一反三
【单选题】Laura was asked several questions, but she couldn't answer ______ of them．
A.
none
B.
either
C.
neither
D.
Any
【简答题】真核细胞的核糖体由沉降系数各为____ S和 ____S的两个亚基组成。大亚基含 S rRNA, S rRNA, S rRNA各一分子和大约 ____种蛋白质。小亚基含 ____SrRNA和大约 种蛋白质。
【单选题】She wanted to improve her English to a point where she could speak comfortably with anyone.
A.
a. She wanted to become fluent in English.
B.
b. She wanted to advance her English ability like a native speaker.
C.
c. She wanted to improve on her English.
D.
d She wanted to fluent her English.
【简答题】She had got to the point where she felt that she could not take any more.
【单选题】I hear you’ve got a pen pal. Could you tell me ___________? [ ]
A.
where does she come from
B.
where will she work
C.
what her name is
D.
How did you know each other
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