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【单选题】
血栓形成的关键性始动过程是:A.
血小板释放反应
B.
第Ⅶ因子被激活
C.
血小板在血管内膜损伤局部粘附和堆积
D.
凝血酶的形成
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反馈参考答案：
举一反三
【多选题】筛分资料的校正是以什么为基准?浮沉资料通常有两种方法进行校正,但校正基准均以什么为准?
A.
筛分试验前对应煤样的总灰分
B.
对应筛分表中的相应粒级校正灰分值
C.
对应浮沉资料灰分
D.
浮沉资料去泥小计灰分
【单选题】It is never easy to adapt __________ big changes. Those who can do it faster are more likely to succeed. [ ]
A.
for
B.
with
C.
in
D.
to
【单选题】The decision about such a big project can not be made _____ each member of the board agrees.
A.
if
B.
unless
C.
though
D.
as
【单选题】—Is that man Mr. White? —It ______be him. He has gone to London on business.
A.
may not
B.
needn’t
C.
can’t
D.
mustn’t
【简答题】It can be learned from the passage that we may have ______ to work on the big project we are undertaking if someone else gets the knowledge about what were doing.
【单选题】The project is based on an agreement, one of ________ purposes is to ensure that the project can be accomplished before the deadline. [ ]
A.
whose
B.
which
C.
its
D.
what
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