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【单选题】
以下关于小儿基础代谢的说法哪正确的A.
是指在安静、清醒、空腹状况下，处于18℃～25℃环境中人体维持基本生理活动所需最低能量
B.
婴儿基础代谢相对较低
C.
基础代谢随年龄增加而增加
D.
基础代谢占总需要能量的25%～30%
E.
每长3岁增加10kcal
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【单选题】-----Did you have a hard time traveling back home? -----Yes, it ______ for four days when I arrived in Guiyang and all the roads______ covered with ice.
A.
snowed, were
B.
was snowing, had been
C.
had been snowing, had been
D.
had snowed, were
【单选题】The passage mainly discusses ______.
A.
the differences in average income among countries
B.
the relationship between productivity and living standards
C.
the causes of the rise in living standards
D.
the importance of raising productivity
【简答题】一个字节由 个二进制位组成。
【简答题】What are similarities and differences among the FOB , CFR and CIF?
【多选题】There are great differences among ____________, ______________, _____________.
A.
different kinds of coal
B.
different parts of the different components of coal
C.
different coal seams of the same region
D.
different parts of the same kind of coal
【简答题】The evolution theory explains the differences in sleep among animals.英译汉
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