I don’t know（）. A: Awhen will our ship sail B: Bwill when our ship sail C: Cwhen our ship will sail D: Dwill our ship when sail

Though I can't make the model ship _______ faster, the model plane can be made _______ higher by any of the boys here. A: sail; to fly B: to sail; fly C: to sail; to fly D: sail; fly

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

I'm fond of . What about you? A: sail B: to sail C: sailing

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

People who fish and sail

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

The boat in this story is referred to as a______. A: sunfish B: motor-and-sail powered launch C: small pleasure cruiser D: sloop