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【单选题】
通常锋面气旋进入锢囚阶段的一个显著天气特点是:A.
降水区只限于锋前，范围扩大
B.
降水区仅限于锋后，范围扩大
C.
锋线两侧均有降水，范围扩大
D.
降水区范围缩小并迅速消失
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举一反三
【单选题】According to the passage, which of the following is a similarity between genetic code and computer code?
A.
The number of elements used.
B.
The way the bases and bytes are grouped.
C.
The infinite number of possible sequences that can be produced.
D.
The way in which the codes are' Written.
【单选题】The genetic code refers to( )
A.
Amino acids in protein molecules
B.
Bases in which mRNAs are arranged from the 5' end to the 3' end Bases are arranged in
C.
tRNA molecules
D.
mRNA starts from the start code every three adjacent bases
【单选题】某资本主义企业始终100万元的生产资料,支付工资50万元。剩余价值率为100%,积累率为50%,那么,资本积累量为( )。
A.
50万元
B.
75万元
C.
25万元
D.
以上都不对
【单选题】People should not take good constitution for granted, for human genetic code is ______the development of______.
A.
liable to … anomalies
B.
predestined for … discomfort
C.
predisposed to … disease
D.
indicative of … wholesomeness
E.
insalubrious for … malaise
【简答题】遗传密码(genetic code)
【判断题】Companies are trying to alter the pig's genetic code to prevent pig organs from being attacked by humans.()
A.
正确
B.
错误
【单选题】The term 'the Big Bang' probably refers to ______ .
A.
the genetic code theory
B.
a geological theory
C.
a theory of the origin of the universe
D.
the origin and the power of atomic energy
【单选题】Why is the genetic code said to be degenerate or redundant?
A.
There is more than one possible code for many of the amino acids
B.
The RNA over time mutates and those changes affect the DNA code.
C.
There are multiple codes that spell start to begin the translation of the code.
D.
There is only one code to stop translation, the others were lost through the years.
【简答题】比较适合于在Internet上传输的图像格式是()。 [A]JPEG [B]HTML [C]BMP [D]GIF
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