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【多选题】
三大产热营养素是指A.
蛋白质
B.
脂肪
C.
糖类
D.
维生素
E.
矿物质
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反馈参考答案：
举一反三
【单选题】天棚面层在同一标高者为平面天棚或一级天棚。天棚面层不在同一标高，高差在（ ）mm以上（ ）mm以下，且满足以下条件者为跌级天棚
A.
200,300
B.
200,400
C.
300,400
D.
400,500
【判断题】根据重庆市装饰工程计价定额2008的计价要求,天棚面层在同一标高者为平面天棚,天棚面层不在同一标高者且不在同一标高的少数面积占该间天棚面积15%以上的为跌级天棚(在两个标高者)。
A.
正确
B.
错误
【单选题】Which of the following statements is NOT true according to the report?
A.
Authorities say they have identified three of the four bombers.
B.
The bombers are British-born men of Afghanistan decent, ranging in age from 19 to 30.
C.
The police has shifted their focus toward finding out who may have recruited, financed and organized the bombers.
D.
Britain's minister for law-and-order says the country should be prepared for more attacks.
【简答题】Tyres wear out un .
【简答题】天棚面层在同一标高者为( ),天棚不在同一标高者为( )。
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