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【单选题】
氧气雾化吸入法调节氧流量正确的是A.
1-2L/min
B.
2-4L/min
C.
4-6L/min
D.
6-8L/min
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举一反三
【单选题】More and more people like to talk with their friends ______ sending messages on WECHAT(微信)
A.
by
B.
in
C.
with
D.
for
【简答题】From Allen Zhang, why are there not more ads on WeChat?
【单选题】Today, more and more people like to use WeChat to ___________ each other.
A.
look out
B.
prepare for
C.
communicate with
D.
set for
【单选题】WeChat may succeed more easily in______.
A.
Japan and Korea
B.
America and European countries
C.
South-East Asia, Russia and India
D.
African countries and South America
【单选题】Today, more and more people like to use WeChat ( 微信 ) to ________ each other.
A.
look out
B.
prepare for
C.
communicate with
D.
set off
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