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【单选题】
位置矢量 的散度等于0( )A.
0
B.
3
C.
D.
r
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皮皮学刷刷变学霸
举一反三
【单选题】—Come and join us, Jimmy! —I’m sorry, but I’m really busy now. If I time, I would certainly go. [ ]
A.
have
B.
have had
C.
had
D.
will have
【单选题】I'm busy now. I'm sorry I can't help ____ the flowers.
A.
watering
B.
watered
C.
waters
D.
to water
【单选题】— Come and join us, Jimmy!— I’m sorry, but I’m really busy now. If I time, I would certainly go.A
A.
— Come and join us, Jimmy! — I’m sorry, but I’m really busy now. If I ____time, I would certainly go. A．have
B.
have had
C.
had
D.
will have
【简答题】写出紫叶小檗的拉丁文
【单选题】—Come and join us, Jimmy! ---I’m sorry, but I’m really busy now. If I ________ time, I would certainly go.
A.
will have
B.
have had
C.
had
D.
have
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