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【单选题】
专职APC与非专职APC之间的主要区别在于,前者组成性表达
A.
MHC I类分子
B.
MHC II类分子
C.
MHC I类分子
D.
黏附分子
E.
CD分子
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【简答题】() 是信息的源头技术
【单选题】— Hello! May I speak to Kate? — Sorry, she isn’t here now. She __________to Shanghai.
A.
went
B.
has gone
C.
has been
D.
goes
【单选题】------Hello! May I speak to Kate? ----Sorry, she isn’t here now. She __________to Shanghai.
A.
went
B.
has been
C.
has gone
D.
had been
【简答题】为什么说仪器技术是信息的源头技术 ?
【单选题】信息技术应用的源头是( ),也是信息技术应用的基础
A.
数据采集
B.
数据传输
C.
数据存储
D.
数据处理
【简答题】完形填空。 Ann is__ 1 __English girl. She is four. She is a __2 __student. Her teacher is Miss White. Ann helps her teacher to put__ 3__ books and ruler on the desk. They have a new__ 4 __. In it you c...
【判断题】仪器是信息的源头技术,又是国家高科技发展水平的标志。
A.
正确
B.
错误
【单选题】Kate isn’t here. She _____ the supermarket.
A.
has been to
B.
has gone to
C.
went to
D.
will go to
【单选题】--Hello! May I speak to Kate? --Sorry, she isn’t here now. She __________to Shanghai.
A.
went                                      
B.
has been                                
C.
has gone
【简答题】选择下列词汇完成下面对话。(共5小题,每小题1分) A. join      B. leave     C. yet      D. speak            E. right        F. take Kate: Hello! May I ____小题1:to Ann, please? Read: I’m sorry Ann isn’t here ___小题2: now. W...
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