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【单选题】
下列物质中属于构成生物体蛋白质的氨基酸的是 [     ]
A.
NH 2 ―CH 2 ―COOH
B.
NH 2 ―CH 2 ―CH2OH
C.
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参考答案：
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【单选题】We often _ an English party on Saturday evenings.
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had
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【单选题】We have an English class__10:00.
A.
at
B.
in
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on
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【简答题】A．When we are attending an English language course. B．When we are watching an interesting TV program. C．When we are enjoying the murmuring of a brook. D．When we are listening for a friend's voice in a...
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【简答题】阅读理解。 Last year , we had an English teacher from the United States. We called him Mr. Black. He often told us,'English is very useful in the world. 'He taught us very well. He was strict with us all. ...
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【单选题】We are __ an English test now
A.
have
B.
has
C.
having
D.
had
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【简答题】Thin Co is a private hospital offering three types of surgical procedures known as A, B and C. Each of them uses a pre-operative injection given by a nurse before the surgery. Thin Co currently rent a...
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【简答题】We are having an English class.
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【单选题】By using this software, you can build a private network of friends or family or co-workers and_____allow them access to specific folders on your computer which you've chosen to share.
A.
now that
B.
in case
C.
therefore
D.
otherwise
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【单选题】使用磺胺类药物治疗泌尿系感染时应注意( )
A.
提前皮试
B.
饭后服用,预防胃肠反应
C.
多饮水,预防尿液结晶
D.
预防肾脏损伤
E.
预防肝脏损伤
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【单选题】We often _ an English party on Saturday evenings.
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had
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【简答题】(b) You are the audit manager of Johnston Co, a private company. The draft consolidated financial statements for the year ended 31 March 2006 show profit before taxation of $10·5 million (2005 – $9·4 ...
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【简答题】阅读理解。 Last year , we had an English teacher from the United States. We called him Mr. Black. He often told us,'English is very useful in the world. 'He taught us very well. He was strict with us all. ...
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【简答题】Thin Co is a private hospital offering three types of surgical procedures known as A, B and C. Each of them uses a pre-operative injection given by a nurse before the surgery. Thin Co currently rent a...
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【简答题】We are having an English class.
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【单选题】By using this software, you can build a private network of friends or family or co-workers and_____allow them access to specific folders on your computer which you've chosen to share.
A.
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B.
in case
C.
therefore
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【单选题】使用磺胺类药物治疗泌尿系感染时应注意( )
A.
提前皮试
B.
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多饮水,预防尿液结晶
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