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【单选题】
While sales by sample, if there is no other stipulations on the goods in the contract, then the goods _________.A.
may be roughly the same as the sample
B.
must be the same as the sample
C.
may have reasonable tolerance
D.
may have reasonable differences on specification
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【单选题】工作D有三项紧前工作A、B、C,其持续时间分别为:A3d、Bd、C5 d,其最早开始别为:A4 d、B5 d、C6 d,则工作D的最早开始时间为( )。
A.
6 d
B.
7d
C.
.11 d
D.
12 d
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A.
that
B.
which
C.
what
D.
as
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A.
0
B.
5
C.
1
D.
3
【单选题】工作D有三项紧前工作A、B、C,其持续时间分别为:A3d、Bd、C5 d,其最早开始别为:A4 d、B5 d、C6 d,则工作C的自由时差为( )。
A.
0
B.
5 d
C.
.1 d
D.
3 d
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