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【判断题】
从本质上说,网络交往仍然是人与人的现实交往,网络生活也是人的真实生活。()A.
正确
B.
错误
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举一反三
【单选题】Lisa made a(n) _____ to help her husband with the problem, but failed in the end.
A.
promise
B.
response
C.
decision
D.
attempt
【单选题】The solution to the problem of making the lock stitch on a sewing machine is said to have been inspired by a nightmare.
A.
Y
B.
N
C.
NG
【单选题】下列有关柴油机瞬态排放特性叙述正确的是 。
A.
起动工况 CO 、 HC 及微粒等有害物排放量比稳态的低；
B.
在加速开始阶段排气烟度明显增加，以后才逐渐减少；
C.
起动工况下排放性能较好
D.
瞬态排放性能总体优于稳态工况。
【单选题】He couldn't explain the problem well, as he had only a(n) ______ knowledge of the subject.
A.
elementary
B.
rudimentary
C.
inceptive
D.
initial
【简答题】线路单元,接收方向: O/E 转换模块将接收到的 STM-4 光信号转换成______ 电信号,送给数据时钟恢复单元。数据时钟恢复单元恢复出______。把时钟信号和 STM-4 电信号送往 SDH 开销处理模块。 SDH 销处理模块对接收到的 STM-4 信号进行___________,并将开销处理后的净荷信号通过背板送往交叉连接单元。线路单元主要有:______________ 等光接口板。
【单选题】The two sides have successfully solved the problem ______ by history.
A.
leaving ever
B.
left over
C.
to leave over
D.
having left over
【单选题】There will need to be drastic changes to the world economy to fix the problem.
A.
YES
B.
NO
C.
NOT GIVEN
【简答题】the way of solving a problem (n.)
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