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【简答题】
基本词汇。 1.皇帝n ._____________     2.死 v ._____________ 3.cry v ._____________       4.enter v._____________
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【单选题】已知 a 、 b 是非零向量且满足(3 a - b ) ⊥ a ,(4 a - b ) ⊥ b ,则 a 与 b 的夹角是(  )
A.
5π 6
B.
2π 3
C.
π 3
D.
π 6
【单选题】△ABC的内角A,B,C的对边分别为a,b,c,已知cos(A-C)+cosB=1,a=2c,则C=(  )
A.
π 6 或 5π 6
B.
π 6
C.
π 3 或 2π 3
D.
π 3
【单选题】已知 4 x 5 y a ÷24 x b y 3 = 1 6 x 2 y 3 ,那么(  )
A.
a=2,b=3
B.
a=6,b=3
C.
a=3,b=6
D.
a=7,b=6
【单选题】已知 a , b 是非零向量且满足 (3 a - b )⊥ a ,(4 a - b )⊥ b ,则 a 与 b 的夹角是(  )
A.
π 6
B.
π 3
C.
2π 3
D.
5π 6
【单选题】Verification of product movement by examining physical records or performing inventory analysis are characteristics of which of the following types of syndicated services?
A.
surveys
B.
audits
C.
purchase panels
D.
media panels
E.
movement exams
【判断题】屈光手术适合所有近视防控人群
A.
正确
B.
错误
【单选题】到了()年代,人们对环境管理有了新的认识
A.
20世70~80
B.
21世纪90年代
C.
20世纪90年代
【简答题】Translation is first a science, which entails the knowledge and verification of the facts and the language that describe them – here, what is wrong, mistakes of truth, can be identified; Secondly, it ...
【单选题】Which of the following allows verification of the port that a printer is currently using?()
A.
The print queue window from system tray
B.
Properties of the printer from the Printers Control Panel
C.
Print spooler view in the Printers Control Panel
D.
Properties of the port within Device Manager
【判断题】In theoretical papers, the correct order of the main parts should be:Proposal of the theory, Verification of the theory, Application of the theory.
A.
正确
B.
错误
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