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【单选题】
(201404)23.一个国家的全部法律规范可以按照一定标准分类组合为不同的法律部门,在此基础上构成的有机联系的统一整体,称为( )A.
法律汇编
B.
法律体系
C.
法律编纂
D.
法律渊源
拍照语音搜题，微信中搜索"皮皮学"使用
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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】—Can you go swimming with us this afternoon? —Sorry. I ______ look after my little sister at home.
A.
can
B.
may
C.
would
D.
have to
【单选题】—Can you go swimming with us this afternoon? —Sorry. I ______ look after my little sister at home.
A.
have to
B.
can
C.
may
D.
would
【单选题】Can you go swimming with us this afternoon? Sorry, I can't. I ______take care of my little sister at home because my mother is ill.
A.
can
B.
may
C.
would
D.
have to
【简答题】科学家艾弗里和他的同事们,通过著名的细菌转化实验,第一次证明了遗传物质是DNA。
【单选题】—can you go swimming with us this afternoon? —Sorry, I can't. I______ do the chores at home. [ ]
A.
can
B.
could
C.
can't
D.
have to
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