It is the effects of motor car _ has been respnsible for many changes in the enviroment.

Nowadays, the electric motor, generator and battery pack all work together in a car on behalf of the hybrid concept．

The motor isn’t ______ enough to push the car up the hill. A: tough B: powerful C: strong D: big

At low speeds where energy usage is minimal, the full hybrid car uses the battery pack and electric motor to operate effectively in all-electric mode without emissions．

When she was crossing the road, she was knocked down by a motor-car and lay ______ by the roadside.

The ( ) stepping motor is used widely in the industry. A: variable reluctance stepping motor B: hybird stepping motor C: permanent magnet stepping motor D: reluctance stepping motor

The type of stepping motor widely used in industry is A: reactive B: permanent manget motor C: hybird motor D: variable reluctance motor

脑皮层运动区( ). A: cerebral motor cortex B: limbic motor cortex C: trabecular motor cortex D: cerebellar motor cortex

One motor neuron and all of the muscle fibers it innervates is called the motor unit.

Cyclos are also called__________. A: motor dups B: trishaws C: motor bikes