衡量兴奋性的指标是A.动作电位B.局部电位C.阈电位D.阈强度

A．A.research and teaching

B．B.teaching and degree awarding

C．C.professional training, teaching and public service

D．D.teaching, research and public service

A、teaching

B、research

C、entertainment

D、public service

______(多亏了)her assistance ,we succeeded in starting the engine. (owe)

(The greatest utility), of an education lies (not so much) in teaching one information (rather than) in teaching one how to deal with the information (acquired).

A．The greatest utility

B．not so much

C．rather than

D．acquired

“公益广告”对应的英文是？()

A、public service advertising

B、public good ad

C、male service ad

公共服务广播(public service broadcasting)

A．but we have to pay back later more than what we owe

B．and we don't have to pay back any other money

C．but we pay back a little less than what we owe

D．and we must soon pay back what we owe

We owe your name and address () the commercial Counsellor’s Office of the Swedish Embassy in Beijing.

A、by

B、through

C、to

D、with