GSM系统由下列组成()。A.网络交换子系统(NSS) B.基站子系统(BSS) C

题型:多项选择题

问题:

GSM系统由下列组成()。

A.网络交换子系统(NSS)

B.基站子系统(BSS)

C.操作维护中心(OMC.

D.移动台(MS)

考点:手机维修考试手机维修(中级)手机维修(中级)题库
题型:多项选择题

小肠液的主要成分不包括()。

A.电解质

B.黏液

C.免疫蛋白

D.肠激酶

E.胰蛋白酶

题型:多项选择题
18的所有因数是(  )
A.12369B.236918
C.1236918
题型:多项选择题

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。学科&网

Hundreds of people have formed impressions of you through that little device(装置) on your desk. And they’ve never actually   41   you. Everything they know about you   42   through this device, sometimes from hundreds of miles away.   43   they feel they can know you   44   from the sound of your voice. That’s how powerful the   45   is.

Powerful, yes, but not always   46  . For years I dealt with my travel agent only by phone. Rani, my faceless agent whom I’d never met   47  , got me rock-bottom prices on airfares, cars, and hotels. But her cold voice really   48   me. I sometimes wished to   49   another agent.

One morning, I had to   50   an immediate flight home for a family emergency. I ran into Rani’s office   51  . The woman sitting at the desk,   52   my madness, sympathetically jumped up. She gave me a   53   smile, nodded while listening patiently, and then printed out the   54   immediately. “What a wonderful lady!” I thought.

Rushing out   55   I called out over my shoulder, “By the way, what’s your name?” “I’m Rani,” she said. I turned around and saw a   56   woman with a big smile on her face waving to wish me a safe trip. I was   57  ! Why had I thought she was cold? Rani was, well, so   58  .

Sitting back in the car on the way to the airport, I figured it all out. Rani’s   59  ---her warm smile, her nods, her ‘I’m here for you’   60  ---were all silent signals that didn’t travel through wires.

52()

A.expecting

B.seeing

C.testing

D.avoiding

题型:多项选择题

资料1



资料2



资料3



根据上述材料,指出下列栏目的正确选项:

“随附单据”栏:( )。

题型:多项选择题

人体细胞的生活环境称为内环境,内环境是指()

A.细胞内液

B.细胞外液

C.体液

D.组织液

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