In order to make students have a good knowledge of science subjects, they are encouraged to______ their own science experiments.
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A
operate
B
direct
C
manage
D
conduct
推荐题目
If the machine should ______, call this number immediately.
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A
break down
B
set out
C
put on
D
go up
A great deal of advanced science and technology has been ______ since China carried out the reform and opening policy.
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A
brought down
B
brought in
C
brought out
D
brought up
The committee ___________ nine members.
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A
is consisted of
B
consists of
C
is included
D
is made of
On the Eve of the Spring Festival, parents always _______ lucky money to their children.
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A
give up
B
give in
C
give out
D
give off