______you are familiar with the author’s ideas, try reading all the sections as quickly as
As soon
B. Ever since
C. So that
D. Now that
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The first 30 seconds are the most critical because______.
A. you have to make your complete sales presentation in that time
B. the prospect may not have enough time to talk to you
C. if you don’t have a good beginning your chances of failure are higher
D. you may be nervous when you meet the prospect
I have read the whole article and the ______ paragraphs seem to be quite difficult.
A. first three
B. first third
C. three first
D. third first
某工程双代号时标网络计划如图所示，在不影响总工期的前提下，工作B可利用的机动时间为()周。
A. 1
B. 2
C. 3
D. 4
_____
A. 254
B. 512
C. 1022
D. 1024
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