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【单选题】
对生物细胞DNA复制分子机制基本特点的描述,错误的是( )。
A.
复制从起始点出发 , 可以朝一个方向 , 也可以向两个方向进行 , 后者更为常见
B.
前导链是连续合成的
C.
复制时新链是由 3' → 5' 延伸
D.
复制是半保留的
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【单选题】成人白细胞计数的参考值为( )
A.
4.0~10.0× 10 9 /L
B.
4.0~10.0× 10 12 /L
C.
110~160× 10 12 /L
D.
120~160× 10 9 /L
E.
5.0~12.0× 10 9 /L
【单选题】成人白细胞计数的参考值为:
A.
(3.0~8.5)×1012/L
B.
(3.5~9.5)×1012/L
C.
(5.0~12)×1012/L
D.
(11~12)×1012/L
E.
(15~20)×1012/L
【单选题】"春风不度玉门关”出自谁手
A.
杜牧
B.
杜甫
C.
王昌龄
D.
王之涣
【单选题】When language is used to get information from others, it serves an______function.
A.
informative
B.
directive
C.
interrogative
【单选题】成人外周血白细胞计数的参考值为
A.
(5-10)×10^9/L
B.
(3-8)×10^9/L
C.
(2-8)×10^9/L
D.
(4-10)×10^9/L
E.
(15-20)×10^9/L
【单选题】成人外周血白细胞计数的参考值为( )
A.
(5-10)×109/L
B.
(3-8)×109/L
C.
(2-8)×109/L
D.
(3.5-9.5)×109/L
E.
(15-20)×109/L
【单选题】Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true?(74).
A.
When your computer is on, only RAM is used to store information.
B.
When your computer is on, only disk drives are used to store information.
C.
When your computer is off, only RAM is used to store information.
D.
When your computer is off, only disk drives are used to store information.
【单选题】● Since RAM is only active when the computer is on, your computer uses disto store information even when the computer is off. Which of the following itrue? (74) (74)
A.
When your computer is on, only RAM is used to store information
B.
When your computer is on, only disk drives are used to storinformation.
C.
When your computer is off, only RAM is used to store information
D.
When your computer is off, only disk drives are used to storinformation.
【单选题】成人白细胞计数的参考值为
A.
(4-10)×109/L
B.
(15-20)×109/L
C.
(4.0-5.5)×1012/L
D.
(3.5-5.0)×1012/L
【单选题】听力原文:Please inform. me when your itinerary's fixed (A) Yes, that program is very informative. (B) Sure, what was your number again? (C) Don't talk me into buying that car. (39)
A.
B.
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