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【单选题】
以下加密法中属于双钥密码体制的是 _______A.
DES
B.
AES
C.
IDEA
D.
RSA
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【单选题】( )年10月,习近平总书记再次踏上广东这片热土。他强调,要把粤港澳大湾区建设作为广东改革开放的大机遇、大文章,抓紧抓实办好。
A.
2016
B.
2017
C.
2018
D.
2019
【单选题】PubMed中,要将asthma air都限定在标题中出现,且用AND方式运算,正确的检索式是( )。
A.
asthma AND air[ti]
B.
asthma[ti] AND air
C.
asthma air[ti]
D.
asthma[ti] AND air[ti]
【单选题】PubMed中,要将检索词asthma和air都限定在标题中,且用AND方式运算,正确的检索式是( )。
A.
asthma AND air[ti]
B.
asthma[ti] AND air
C.
asthma air[ti]
D.
asthma[ti] AND air[ti]
【单选题】According to“If you are not in tune with the universe, there is sickness in the heart and mind” , which of the following sentence has the same meaning of“in tune with” as the above sentence ?
A.
The government seemed to be in tune with the popular mood.
B.
We are not in tune with their economic policies.
C.
Candidates of this generation are in tune with all these mechanisms.
D.
Today, his change of direction seems more in tune with the times.
相关题目：
【单选题】( )年10月,习近平总书记再次踏上广东这片热土。他强调,要把粤港澳大湾区建设作为广东改革开放的大机遇、大文章,抓紧抓实办好。
A.
2016
B.
2017
C.
2018
D.
2019