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【单选题】
胆固醇是下列哪种化合物的前体分子A.
辅酶A
B.
泛醌
C.
维生素A
D.
维生素D
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反馈参考答案：
举一反三
【单选题】表征调速器动作灵敏性的参数是( )。答案
A.
瞬时调速率δ1
B.
稳定时间ts
C.
转速波动率
D.
不灵敏度 柴油机在运转中,表征转速变化量足够大时调速器才能起作用的性能参数是不灵敏度ε,ε值越小,表示调速器动作灵敏性越好。
【单选题】He is a good cook at home and takes good care of the children, and his wife.
A.
so does
B.
so is
C.
so is with
D.
so it is with
【单选题】Home Fire Safety Precautions It's a good idea for every home to have at least one multi-purpose fire extinguisher. Keep one in plain sight in the kitchen, and consider others for the garage and for th...
A.
like
B.
likelihood
C.
likeness
D.
likely
【单选题】___genes,intelligence also depends on an adequate diet,a good education and a decent home environment. [ ]
A.
In exchange for
B.
Except for
C.
In addition to
D.
Due to
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