【单选题】We _____ in the city, but now we live in the countryside
【单选题】From these stories we understand that_____
A.
we cannot trust banks.
B.
we should not trust anyone.
C.
a waterproof bag is not proof against worms and insects.
【单选题】When the author says that we need to be in the driver's seat, he means that .
A.
a. we need to drive a car
B.
b. we should control our driving
C.
c. we must change the world
D.
d. we should govern our thinking
【单选题】_________ for over 50 years, we are confident we can give our customers complete satisfaction.
B.
Having been in business
【单选题】___ have to work today, we should go to Laguna Beach.
【判断题】交流异步电机的转子与定子旋转磁场以不同的方向、不同的速度旋转,存在转差率。 ( )