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【判断题】
当发现待宰猪患有口蹄疫时应立即屠宰,防止传染。
A.
正确
B.
错误
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举一反三
【单选题】叠加定理适用于( )
A.
任意电路
B.
线性电路
C.
直流电路
D.
非线性电路
【单选题】On Monday morning it usually ________ me an hour drive to work although the actual distance is only 20 miles.
A.
takes
B.
is taking
C.
took
D.
will take
【单选题】_______she was free on Monday morning
A.
That happened
B.
I t is happened that
C.
It happened to
D.
It happened that
【简答题】短文改错。 It was snowing heavy on Monday morning. Li Hua was at the bus stop, waiting for Bus No. 601 to go to school. After the while, a bus came and she got on it. Here were many passengers in the bus. ...
【判断题】叠加定理适用于任意电路。
A.
正确
B.
错误
【简答题】短文改错。 It was snowing heavy on Monday morning. Li Hua was at the bus stop, waiting for the Bus No. 601 to go to school. After a while, a bus came and she got on it. Here were many passengers in the bus...
【单选题】叠加定理适用于( )电路。
A.
交流
B.
直流
C.
任意
D.
线性
【判断题】气阀的作用是将活塞和曲轴连接起来,将曲轴的旋转运动转变为活塞的往复运动。
A.
正确
B.
错误
【单选题】下面哪部歌剧出自贝多芬之手?( )
A.
《魔笛》
B.
《尼伯龙根的指环》
C.
《费德里奥》
D.
《自由射手》
【单选题】On Monday morning it usually ___________me an hour to drive to work although the actual distance is only 20 miles. A.takes B. is taking C.took D.will take
A.
takes
B.
 is taking
C.
took
D.
will take
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