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【单选题】
循环语句for($n=10;$n-->0;$n--)的循环次数为( )。
A.
10
B.
4
C.
5
D.
6
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【单选题】S uccess without honor is an unseasoned dish; it will satisfy your hunger, but it won’t taste good. What rhetorical device is employed in this sentence?
A.
metaphor
B.
simile
C.
hypobole 夸张
D.
personification 拟人
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A.
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B.
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C.
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【单选题】What is the following diner complaining about to the waiter? “Excuse me, my steak is underdone. I asked for medium and this is rare.”
A.
The diner’s food has not been cooked enough for their liking.
B.
The waiter has brought the wrong dish.
C.
The waiter has taken a very long time to bring the food.
D.
The waiter has brought food that has gone cold.
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【判断题】Apple was popular because it wasn't a big corporation.
A.
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B.
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【判断题】凡是中心原子是以 sp 3 杂化方式成键的均为正四面体 (2.0分)
A.
正确
B.
错误
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【单选题】一单相桥式整流电容滤波电路，已知电源变压器的副边电压为8V，则该电路能输出（）
A.
8
B.
4
C.
10
D.
12
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【单选题】一单相桥式整流电容滤波电路,该电路输出电压为V,则该电路电源变压器的副边电压为( )伏。
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【判断题】凡是中心原子是以 sp 3 杂化方式成键的均为正四面体
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B.
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