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【多选题】
根据《招标投标法实施条例》的规定，存在（）等情形的投标人的投标无效。A.
与招标人存在利害关系并可能影响招标公正性的
B.
与招标人不存在利害关系可能影响招标完整性的
C.
与本标段的其他投标人存在控股、管理关系的
D.
与本标段的其他投标人单位负责人不为同一人的
E.
与本标段的其他投标人单位负责人为同一人的
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【单选题】I don‘t know when she ___ back, but give her the message if she comes in before two.
A.
is
B.
will be
C.
has been
D.
was
【单选题】—When did you go to the Palace Museum? —____________. [ ]
A.
Two days before
B.
Two days ago
C.
For two days
【判断题】When wecompare two things, we show how they are different; when we contrast two things, we show how they are similar.
A.
正确
B.
错误
【简答题】It was two days later __________ they began to discuss my suggestion. A) when B) that C) what D) on which
【单选题】None of us called the police when the two cars collided, ____?
A.
didn’t we
B.
don’t we
C.
did we
D.
do we
【单选题】When doves are about two weeks old, they are covered with grey feathers and are ready to try their wings.
A.
grow
B.
wrap
C.
hide
D.
test
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