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【简答题】
正棱锥的侧棱长都_________,侧面都是 _________ . A 、都相等 B、不一定都相等 C、全等的等腰三角形 D、全等的矩形
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反馈参考答案：
举一反三
【单选题】人体的热能来源于膳食中蛋白质、脂肪和糖类,它们在体内的产热能系数分别为:
A.
4 kcal/g、9 kcal/g、9 kcal/g
B.
4 kcal/g、9 kcal/g、4 kcal/g
C.
9 kcal/g、4 kcal/g、4 kcal/g
D.
4 kcal/g、4 kcal/g、4 kcal/g
E.
4 kcal/g、4 kcal/g、9 kcal/g
【单选题】The boy grew up with the smell of the herbs because _____.
A.
he liked to play with herbs
B.
he studied at an herbal medicine store
C.
his family had an herbal medicine store
D.
he often mixed herbs for his mother
【单选题】The boy _____ a strong young man three years later. [ ]
A.
grew up
B.
change into
C.
made into
D.
grew into
【简答题】关于实用溢流堰上游堰高P和定型设计水头Hd的比值P/Hd与流量系数m的关系正确的是（）。
【单选题】The boy had to be ___ with such a large family that he grew thinner and thinner.
A.
supported
B.
fed
C.
burdened
D.
kept
【单选题】ECDIS中,超比例尺显示是指________。
A.
显示比例尺大于原始比例尺
B.
显示比例尺小于原始比例尺
C.
显示比例尺大于ENC的最小比例尺属性（SCAMIN）
D.
显示比例尺小于ENC的最小比例尺属性(SCAMIN)
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