皮皮学，免费搜题
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搜题
【单选题】
血浆具有的功能是（ ）A.
吞噬病菌
B.
止血、凝血
C.
运输氧气
D.
运载血细胞、运输养料和废物
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【单选题】下列关于合同转让的说法正确的是
A.
合同转让是合同主体发生了变化
B.
合同转让时合同内容随主体的变化而变化
C.
所有的债权都可以转让
D.
合同债务的转让无须债权人同意
【单选题】下述Inmarsat C标准业务中哪一种业务是地面站必须提供的业务_____。
A.
Fleet NET
B.
Safety NET
C.
Polling
D.
SCADA
【单选题】My partner wants to keep the company small _____ I’d like to expand it.
A.
and
B.
or
C.
however
D.
while
【单选题】If you work as a volunteer in a hospital, you can expand your social support network.
A.
Y
B.
N
C.
NG
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