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【单选题】
两只分别标有“15μF/100V”“10μF/50V”的电容器并联,其总电容为( )μF。A.
5
B.
10
C.
15
D.
25
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反馈参考答案：
举一反三
【单选题】短听力:听一遍录音,选择最佳答案。
A.
Forbidden area
B.
Helicopter training area
C.
Thunderstorm area
D.
Permitted area
【单选题】短听力:听一遍录音,选择最佳答案。
A.
It will turn left to resume its own navigation .
B.
It will resume its own navigation after left turn.
C.
It will offset its path to encounter CBs.
D.
It is expected to meet CBs on its original route.
【单选题】1 ~10岁儿童体重的推算公式是:( )
A.
体重=年龄×2+8或7(公斤)
B.
体重=年龄×3+8或7(公斤)
C.
体重=年龄×2+10或9(公斤)
D.
体重=年龄×3+10或9(公斤)
【简答题】墙体按构造方式可以分为实体墙、 、 。
【单选题】短听力:听一遍录音,选择最佳答案。
A.
Due to turbulence and icing.
B.
Due to moderate turbulence.
C.
Due to weight.
D.
Due to spacing.
【简答题】墙体按构造方式可以分为 、 和 三种。
【单选题】The train had not come yet and the man ______ his watch anxiously.A．focused onB．glanced atC．watch
A.
3. The train had not come yet and the man ______ his watch anxiously. A．focused on
B.
glanced at
C.
watched
D.
Confirmed
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