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【单选题】
我国《中小学教师信息技术应用能力标准（试行）》对教师信息技术应用能力的提高层次的要求是A.
应用信息技术转变学习方式
B.
应用信息技术优化课堂教学
C.
使用信息技术提高教学效率
D.
使用信息技术提升教师能力
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【单选题】At present , the terrible foggy haze（雾霾）weather has influenced our normal life badly . So our government should _____ to reduce the air pollution.
A.
put out
B.
carry out
C.
take steps
D.
get over
【单选题】The haze weather arouses people's ___________ over the environment.
A.
knot
B.
concern
C.
click
D.
careful
【单选题】As for the differences between fog and haze, which of the following statement is wrong? ( )
A.
The vertical thickness of haze is greater than fog
B.
Fog is mainly consisted of small liquid particles, while haze is mainly consisted of small solid particles
C.
Fog is more visible than haze
D.
Fog contains more water than haze
【多选题】When you want to explain the cause of haze, you may say________
A.
It is caused by more and more vehicles we have.
B.
More and more vehicles we have is the main cause of haze.
C.
More and more vehicles we have result in haze.
【单选题】Had it not been for the haze(雾霾) weather phenomenon, there _____ fewer car accidents in Beijing then.
A.
were
B.
would be
C.
may be
D.
would have been
【简答题】At present , the terrible foggy haze（雾霾）weather has influenced our normal life badly . So our government should _____ to reduce the air pollution . put out B．carry out C．take steps ...
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