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【单选题】
Read the passage and choose the correct ones.I've got a brother who is two years older than I am. Sometimes he's OK but other times he is a real pain in the neck. I'll give you some examples. Yesterday I couldn't put the key in the front door because it was dark and I couldn't see where the keyhole was. Did my brother help? No, he just told me how stupid I was. And last week when I came back from the hairdresser's he took one look at me and laughed. "No boy will go out with you looking like that. But don't worry. I can help you. Here, take this paper bag and put it over your head." Have you any idea how I felt?On the other hand, having a big brother can be useful. My parents are not so worried about letting me go out at night as they would be if I were an only child.Another good thing is that all his friends are also two years older and there is one boy who I like very much and who is very good at math so when they all gather at our house, I make sure that I’m there and always have a problem with my math homework that only he can help me with. I hope he can help with more than my homework!
A.
The writer is good at math.
B.
The writer is not good at math.
C.
The writer's parents are good at math.
D.
The friend of the writer's brother is not good at math.
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A.
(1+n)n/2
B.
(1+n)n
C.
(1+n)2n
D.
(1+n)3n
E.
以上答案均不正确
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B.
C.
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A.
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B.
(1)(3)(2)(7)(4)(6)(5)
C.
(1)(3)(2)(6)(5)(7)(4)
D.
(3)(1)(2)(7)(4)(5)(6)
E.
(3)(1)(2)(4)(7)(6)(5)
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A.
以肝细胞增生为主的炎症
B.
以汇管区渗出为主的炎症
C.
以肝细胞变性为主的炎症
D.
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E.
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A.
买进
B.
卖出
C.
不买不卖
D.
无法确定
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A.
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C.
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D.
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