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【单选题】
红外光谱给出分子结构的信息是:A.
对分子量
B.
架结构
C.
官能团
D.
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举一反三
【单选题】The notice of casualty to a ship must include ______.
A.
a request for assistance
B.
the location of the unit at the time of the casualty
C.
an estimate of the cost to repair damages
D.
the amount of fuel remaining
【单选题】42 Which statement is NOT true of Covent Garden?
A.
It is crowded with people.
B.
It is located in London.
C.
It is filled with stalls.
D.
It is surrounded by shops, churches, restaurants and cafes.
【简答题】Operating expenses
【单选题】下列关于蛋白质α螺旋结构的叙述不正确的是
A.
每圈螺旋包含3.6个氨基酸残基
B.
脯氨酸、甘氨酸是α螺旋结构的破坏者
C.
结构的稳定靠侧链的相互作用
D.
结构的稳定靠氢键
【单选题】32 Which statement is NOT true of Covent Garden?
A.
It is crowded with people.
B.
It is located in London.
C.
It is filled with stalls.
D.
It is surrounded by shops, Churches restaurants and cafes.
【单选题】下列关于蛋白质 α 螺旋结构的叙述哪一个是正确的?
A.
结构的稳定靠盐键
B.
是蛋白质三级结构的一种形式
C.
多为右手螺旋，结构的稳定主要靠氢键
D.
结构的稳定主要靠二硫键
【单选题】All the historic sites within the range of Three Gorges Reservoir have been ______ to some new locations high above. [ ]
A.
transformed
B.
transmitted
C.
transferred
D.
transported
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