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【单选题】
CD8分子存在于
A.
辅助性T淋巴细胞表面
B.
细胞毒性T淋巴细胞表面
C.
吞噬细胞表面
D.
所有成熟的T淋巴细胞表面
E.
B淋巴细胞表面
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参考答案:
举一反三
【单选题】We have an English class on Monday. , we don't have an English class on Thursday.
A.
But
B.
However
C.
Because
【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 ...
【单选题】We have an English class__10:00.
A.
at
B.
in
C.
on
【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...
【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. ...
【单选题】We are __ an English test now
A.
have
B.
has
C.
having
D.
had
【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...
【简答题】We are having an English class.
【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
【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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