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【单选题】
LTE中PDCP的功能与TD-SCDMA PDCP功能主要差别是下面哪一个?( )A.
头压缩与解压缩
B.
用户面数据和控制面数据加密
C.
用户面数据传输
D.
低层SDU的重复检测
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反馈参考答案：
举一反三
【简答题】计算：（1）（﹣0.4）÷0.02×（﹣5）； （2）19÷（﹣7）﹣6÷（﹣7）+15÷（﹣7）．
【单选题】财务控制利润中心销售收入为 1000 万元,变动成本率为 60% ,固定成本为 200 万元,可控固定成本占 70% ,利润中心可控利润为( )。
A.
1000 ×（ 1 － 60% ）－ 200 × 70%
B.
1000 ×（ 1 － 60% ）－ 200 ×（ 1 － 70% ）
C.
1000 × 60% － 200 ×（ 1 － 70% ）
D.
1000 × 60% － 200 × 70%
【简答题】35÷□=7 （35+15）÷5=35÷5+15÷5=□
【简答题】Many people may not find the idea of visiting Beijing's Forbidden City just to see its cultural relics( 遗迹 )very exciting. But what if you got to see deer there too? That certainly sounds like a bette...
【单选题】计算（-2a 3 +3a 2 -4a）（-5a 5 ）等于（ ）
A.
10a 15 -15a 10 +20a 5
B.
-7a 8 -2a 7 -9a 6
C.
10a 8 +15a 7 -20a 6
D.
10a 8 -15a 7 +20a 6
【简答题】The idea that learning should take place by continual careful shaping and molding ______ equally to the arts. Watching children at work in a classroom setting, we were ______ by their facility. Childr...
【单选题】The main idea of the last paragraph is that ______ .
A.
London still keeps buildings familiar to Dickens so as to commemorate him
B.
many places in London offered inspirations to Dickens
C.
a museum has been set up in honour of Dickens
D.
for all the drastic changes, some places are still reminiscent of London in Dickens's time
【简答题】Fill in the missing information. SectionA Script.mp3: So, what do you want to do tomorrow? Well, let’s look at this ___1___ here. Uh, here’s something interesting. Why don’t we first visit the art mus...
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