Scientists are convinced_____the positive effect of laughter_____physical and mental health.
#28733
A
of; at
B
by; in
C
of; on
D
on;at
推荐题目
Washington, a state in the United States, was named _____ one of the greatest American presidents.
#27506
A
in favor of
B
in need of
C
in search of
D
in honor of
The president has told his friends that he is sick but will not admit it _____.
#27725
A
in private
B
in secret
C
in public
D
in detail
_____ your help, we _____ complete the work in time.
#28960
A
Thanks to; were able to
B
Thanks to; could
C
As; would
D
Because; had to
When asked about their opinions about the schoolmaster, many teachers would prefer to see him step aside ________ younger men.(2011·湖北，30)
#25344
A
in terms of
B
in need of
C
in favor of
D
in praise of
How can you expect me to make friends ____ you if you always play jokes ____ me?
#27048
A
to; on
B
with; to
C
to; with
D
with; on