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【简答题】
LTE系统支持最大的频带带宽为20MHz，支持最小的频带带宽为3MHz。()
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反馈参考答案：
举一反三
【简答题】编辑Word 2012文档时,定位插入点后,按下【Backspace】键(即退格键),则删除_,按下【Delete】(或【del】)键,则删除___。
【单选题】Tom ______ a pen friend but he doesn't ______ a radio. [ ]
A.
have, have
B.
has, has
C.
have, has
D.
has, have
【简答题】利用左移寄存器可以实现二进制数的( )运算；利用右移寄存器可实现二进制数的( )运算。
【单选题】Tom is a new student in this school. He ________ have many friends here. [ ]
A.
doesn't
B.
don't
C.
isn't
D.
aren't
【单选题】把鼠标移到按钮并点击时,会产生一串什么样的事件?
A.
active，hove，focus
B.
foucs，hove，active
C.
hove，active，foucus
D.
hover，focus，active
【单选题】在广告中重复播放音乐,是人们把音乐和产品联系起来,消费者一听到某音乐就会想起该产品。这运用了( )
A.
经典性条件反射理论(巴甫洛夫的“狗与铃声”实验)
B.
操作性条件反射理论(斯金纳的“小白鼠”实验)
C.
认知学习理论(柯勒的“黑猩猩”实验)
D.
社会学习理论(班图纳的观察学习)
【单选题】—Tom, if it doesn't rain, we can go climbing and have a picnic there. —________. I like climbing. [ ]
A.
Well done
B.
That's great
C.
No problem
D.
That's it
【单选题】—_________ Tom _________ a baseball bat? —No, he _________. [ ]
A.
Does; have; doesn't
B.
Does; has; doesn't
C.
Do; has; don't
D.
do; have; don't
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