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【单选题】
管理的两重性是指管理的（）A.
自然属性和历史属性
B.
自然属性和社会属性
C.
经济属性和技术属性
D.
连续属性与间断属性
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】I must leave for my home town tomorrow as my parents are ___ me to arrive on Sunday.
A.
expecting
B.
waiting
C.
waiting for
D.
expecting for
【单选题】Must I arrive on time ?
A.
No , you needn't
B.
No , you wouldn't
C.
No , you couldn't
D.
No, you mustn't
【单选题】— Must I arrive at school at one o'clock in the afternoon? — No, you_______. [ ]
A.
mustn't
B.
needn't
C.
can't
D.
shouldn't
【单选题】Before the guests come, I must get the glasses ______.
A.
washed
B.
to be washed
C.
being washed
D.
to wash
【简答题】旅游网站的推广有哪些方法?
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