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【单选题】
地依然在,细逐空香百遍行。关于蛋白质三级结构的描述,其中错误的是:( )A.
天然蛋白质均有这种结构
B.
具有三级结构的多肽链都具有生物学活性
C.
三级结构的稳定性主要是由次级键维系
D.
决定盘曲折叠的因素是氨基酸残基
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举一反三
【简答题】A.It went out of use 300 years ago. B.It was invented after the short bow. C.It was discovered before fire and the wheel. D.It is still in use today.
【单选题】What does the passage tell us about the long bow?
A.
It went out of use 300 years ago.
B.
It was invented after the short bow.
C.
It was discovered before fire and the wheel.
D.
It's still in use today.
【单选题】Question10. It went faster than any of its rivals. It went faster than its ______.
A.
opponents
B.
enemies
C.
competitors
D.
partners
【单选题】—Do you know about the accident which happened in the center of the city? —Yes. But it was some time we realized the truth.
A.
before
B.
when
C.
since
D.
until
【单选题】A.It went out of use 300 years ago.B.It was invented after the short bow.
A.
It went out of use 300 years ago.
B.
It was invented after the short bow.
C.
It was discovered before fire and the wheel,
D.
It is still in use today.
【单选题】def f(st): st.append('x') return st st=['a'] st=f(st) print(st) 结果是
A.
['a','x']
B.
['a']
C.
['x']
D.
['x','a']
【简答题】A．It went out of use 300 years ago. B．It was invented after the short bow. C．It was discovered before fire and the wheel. D．It's still in use today.
【单选题】It went faster than any of its rivals. It went faster than its .
A.
opponents
B.
enemies
C.
competitors
D.
partners
【单选题】因船舶遇难而落水的人在水中最多能坚持多久？研究发现：会水的人在水温0℃时可坚持15分钟；在2．5 ℃时是30分钟；在5 ℃时是1小时；在10 ℃时是3小时；在25 ℃时是一昼夜。可见，人在水中坚持的时间长短与水温高低有因果联系。获得这一结论运用的是探求因果联系的（ ）逻辑方法。
A.
求同法
B.
求异法
C.
共变法
D.
剩余法
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