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【单选题】
特种作业人员在操作证有效期内,连续从事本工种十年以上,无违法行为,经考核发证机关同意,操作证复审时间可延长至( )年。A.
4
B.
6
C.
10
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举一反三
【单选题】I want Jim ________ shopping ith me but he won't do so. [ ]
A.
to go
B.
go
C.
going
D.
goes
【单选题】A good w ith your parents i s very important.
A.
b irth
B.
dinner
C.
relationship
D.
rivalry
【单选题】is the ith principal component, is the kth original variable, ( )
A.
0.0045
B.
0.45
C.
0.9
D.
0.09
【简答题】Rip means the restraint force due to the external force in the ith ________.
【单选题】W ith his work ________ , Tom went to the concert happily.
A.
finished
B.
finishing
C.
having finished
D.
was finished
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