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【多选题】
下列属于双代号时标网络的特点是（ ）A.
兼有网络计划和横道计划的优点
B.
可以在图上直接显示工作的总时差
C.
可以在图上直接显示工期
D.
便于资源优化和调整
E.
双代号时标网络中有虚工作，但无虚箭线。
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【简答题】接近,使用,进入
【单选题】Exchange a glance with someone, and then look away. Do you realize that you have made a statement? Hold the glance for a second longer, and you have made a different statement. Hold it for three secon...
A.
every glance has its significance
B.
staring at a person is an expression of interest
C.
a gaze longer than three seconds is unacceptable
D.
a glance conveys more meaning than words
【简答题】Do not look away. Just________on your homework.
【简答题】Exchange a glance with someone, and then look away. Do you realize that you have made a statement? Hold the glance for a second longer and you have made a different statement. Hold it for 3 seconds, a...
【单选题】听力原文： Exchange a glance with someone, then look away. Do you realize that you have made a statement? Hold the glance for a second longer, and you have made a different statement. Hold it for 3 seconds...
A.
Every glance has its significance.
B.
A glance conveys more meaning than words.
C.
A gaze longer than 3 seconds is unacceptable.
D.
Staring at a person is an expression of interest.
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