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【单选题】
CPU和______构成主机。
A.
RAM和ROM
B.
RAM、ROM和硬盘
C.
RAM
D.
硬盘和显示器
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举一反三
【单选题】Chris: I think we might get a good pay rise this year. Sam: ______ Tom: I think it' s on the cards. Helen: I think it' s a sale bet. The company' s made a big profit this year. Kate: You're right, but...
A.
That is OK.
B.
That doesn't make sense!
C.
That would be terrible.
D.
That'll be the day!
【单选题】关于I型超敏反应的特点 , 下列哪项是错误的 ?
A.
肥大细胞与嗜碱性粒细胞参与
B.
发生快
C.
主要抗体是 IgE
D.
24 小时达高峰
E.
主要表现为生理功能紊乱
【简答题】Read and choose. 阅读短文,选择正确答案。 Sam: Hello! Tom! Tom: Hi! Sam: How are you today? Sam: I'm very well, thank you. And you? Tom: I'm fine, too. Sam: What are you doing? Tom: I'm looking for my pencil. Whe...
【单选题】关于I型超敏反应的特点 , 下列哪项是错误的 ?
A.
肥大细胞与嗜碱性粒细胞参与
B.
发生快
C.
主要抗体是 IgE
D.
24 小时达高峰
【单选题】—The twins are quite different. Sam is wild while Tom is quiet. —Yeah, Sam is ___________ than Tom.
A.
less outgoing
B.
more outgoing
C.
much taller
D.
more serious
【单选题】关于 I型超敏反应的特点,下列哪项是错误的( )
A.
发作快
B.
24小时达高峰
C.
IgE类抗体参与
D.
有肥大细胞和嗜碱性细胞参与
E.
氨茶碱治疗有效
【单选题】Sam: Hello? Tom: Sam! Help me! Sam: What's the matter, Tom? Tom: I' m hanging from this rock by one hand. I can' t hold on much longer. Call the rescue service quickly! Sam: Very funny, Tom. Why are y...
A.
putting your foot in it
B.
putting your feet up
C.
pulling my leg
D.
pulling the rope
【单选题】The basketball isn’t _____. It belongs to _________.
A.
Tom; Sam
B.
Tom; Sam’s
C.
Tom’s; Sam
D.
Tom’s; Sam’s
【单选题】________ room is big and bright. They like it very much. [     ]
A.
Tom and Sam
B.
Tom's and Sam
C.
Tom and Sam's
D.
Tom's and Sam's
【单选题】Tom's room is bigger than ______. [     ]
A.
Sam and Bill
B.
Sam's and Bill's
C.
Sam's and Bill
D.
Sam and Bill's
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