下列词语中属于缩略词的有？ A: brunch B: dallymony C: infoport D: motor hotel

Which of the following is an instance of backformation A: Bicycle/bike. B: Television/televise. C. Central Intelligence Agency/CIA. D. Motor hotel/motel.

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

What words the blend motel are formed？ A: motor+hotel B: mobile+hotel C: major+hotel D: mobiles+hotel

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

Motor unit is A: a motor neuron B: a group of motor neurons with same function C: a group of muscle fiber that involved in execution of a special movement. D: a bundle of muscle fibers E: a alpha motor neuron and the innervated muscle fibers

electric motor ______