Teachers have to constantly update their knowledge in order to maintain their professional _____. 
#13696
A
consequence
B
independence
C
competence
D
intelligence
推荐题目
You’d better go there by train. The train ticket is _____ the airplane ticket.
#14041
A
as cheap three times as
B
as three times cheap as
C
three times cheaper than
D
three times as cheaper as
It will take _____ time to finish the project.
#14537
A
one and a half months’
B
a month and a half
C
one and a half month’s
D
a month and half’s
It’s reported that the United States uses______ energy as the whole of Europe.
#14166
A
as twice
B
twice much
C
twice much as
D
twice as much