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【简答题】
汉译日 “请别忘了房间钥匙”
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举一反三
【简答题】The discussion on how to motivate students suggests that the focus on ______ was not always enough.
【单选题】When customer service representatives speak to customers over the phone, they should always speak_______.
A.
hardly
B.
clearly
C.
respectably
D.
respectively
【单选题】In a cost-volume-profit graph, the break-even point will alway be found:
A.
Where the pre-determined overhead rate equals the contribution margin rate
B.
At the point where total revenue equals total fixed costs
C.
At the point where total revenue equals total fixed costs and total variable costs
D.
Where the total revenue line crosses the fixed cost line
【多选题】关于肌红蛋白的叙述,正确的是
A.
肌红蛋白是由一条多肽链和一个血红素连接而成的紧密球状结构
B.
分子中含有四个亚基
C.
肽链中的组氨酸残基与 Fe2+配位结合
D.
大部分非极性基团位于球状结构的外部
E.
无四级结构
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