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【单选题】
Chris always keeps his sufferings to himself. He never has a _____ (心腹朋友) to talk about his problems and troubles.A.
conduct
B.
assistant
C.
assurance
D.
confidant
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举一反三
【单选题】We have arranged for our bank to extend the validity of the L/C two weeks May 10th.
A.
from;to
B.
for;to
C.
will;till
D.
for;on
【单选题】We will extend the L/C to March 4 _______ your request.
A.
meet
B.
meet with
C.
comply with
D.
in accordance with
【单选题】We have received your letter of August 10 and regret to learn that you_______ extend the L/C No. 1680.
A.
must
B.
should
C.
will
D.
are unable to
【简答题】对产销平衡的运输问题,设产地有 m 个,销地有 n 个,则基可行解中基变量的个数为 。
【单选题】We will extend the L/C to March 4 your request.
A.
meet
B.
meet with
C.
comply with
D.
according to
【多选题】缩放体(Scale Body)操作有几种类型?
A.
均匀缩放（Uniform）
B.
双边缩放（Bilateral）
C.
常规缩放（General）
D.
本地缩放（Local）
E.
轴对称缩放（Axisymmetric）
【多选题】缩放体( Scale Body )操作有几种类型?
A.
均匀缩放（Uniform）
B.
轴对称缩放（Axisymmetric ）
C.
常规缩放（General）
D.
本地缩放（Local）
E.
双边缩放（Bilateral）
【简答题】mistake, allow, ship, valid, inform, apology, understand, extend, ready, guarantee Dear Jack, We regret to 1) you that we can ’ t prepare the goods 2) before the 3) of the L/C because of the ...
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