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【单选题】
Basal metabolic rate takes( )of total daily energy expenditure.A.
30-40%
B.
50-60%
C.
70-80%
D.
60-70%
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【单选题】Man:Hi, Lily, I've got a new place to live in. Woman: Hey, that's great. What s it like? Man: Well, it's really old and it's pretty small, but the best thing is that it’s a five- minute walk t...
A.
It's small.
B.
It's old.
C.
It's close to school
D.
It's pretty.
【简答题】（本小题满分10分） 观察思考 某种在同一平面进行传动的机械装置如图14-1，图14-2是它的示意图．其工作原理是：滑块Q在平直滑道l上可以左右滑动，在Q滑动的过程中，连杆PQ也随之运动，并且PQ带动连杆OP绕固定点O摆动．在摆动过程中，两连杆的接点P在以OP为半径的⊙O上运动．数学兴趣小组为进一步研究其中所蕴含的数学知识，过点O作OH ⊥l于点H，并测得OH = 4分米，PQ = 3分米，OP ...
【简答题】阅读理解。 I'm at Billy's birthday party. There are a lot of friends in his house. Some stand beside the table and enjoy the snacks and drinks. There is some food on the table. I like the chocolate and the...
【简答题】考察知识点【平面图形面积】用分数形式即a/b形式填写
【判断题】Civilians who behave bravely and gracely could be heroes according to the text.
A.
正确
B.
错误
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