皮皮学，免费搜题
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搜题
【单选题】
战地救护时宜选用的成分血是A.
浓缩红细胞
B.
洗涤红细胞
C.
红细胞悬液
D.
血小板浓缩悬液
E.
白细胞浓缩悬液
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列说法不正确的是
A.
化学键是使离子或原子相结合的作用力
B.
气态单质分子中不一定存在化学键
C.
NaCl与NaOH固体中的化学键类型完全相同
D.
碳原子最外层有4个电子，能与其他原子形成4个共价键
【单选题】Twenty____________ been brought in by villagers.
A.
cattle has
B.
cattles have
C.
cattle have
D.
heads of cattles have
【单选题】( )the villagers here prefer to --- in the cold, which impressed me most.
A.
work on
B.
work at
C.
work for
D.
work out
【简答题】句型转换。 1. The villagers built this bridge last year.(改为被动语态) This bridge_____the villagers last year. 2. What delicious food!(用how改写) _____ _____ the food ! 3. The boy is so young that he can't take ca...
【单选题】The villagers were dreaming to have their ownschool,_______ their children could read and write.
A.
which
B.
that
C.
inwhich
D.
in that
【简答题】The villagers had a (celebrate) ____________, with a new film to finish up with.
【简答题】Because of the heavy snow, some villagers in the mountain area are in ________ . (er , erous)
【简答题】( ) 3. The soldiers soon reached ______ was once an old temple ______ the villagers used as a school.A. which; where B. what; which C. where; which D. what; where
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