皮皮学，免费搜题
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【单选题】
血液的组成是 [ ]A.
血浆和血细胞
B.
血清和血细胞
C.
血浆和红细胞
D.
血浆、血清和血细胞
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】系统训练原则的科学基础
【单选题】All that can be done ____.
A.
has been done
B.
have been done
C.
have done
D.
has done
【单选题】Meat _______ out in this shop . We can _________ now. [ ]
A.
have been sold, get nothing
B.
has been sold, get nothing
C.
has been sold, get some
D.
have been sold, get some
【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【单选题】The head word of the phrase “can't have been swimming” is_______.
A.
can't
B.
have
C.
been
D.
swimming
【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【简答题】Can you i______( 想象 )they have been married for 60 years?
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