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【判断题】
力偶与矩心位置无关,力与矩心的位置有关。A.
正确
B.
错误
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举一反三
【单选题】— Where does he work? — _____________________ [ ]
A.
He goes to work by bus.
B.
He works in a hospital.
C.
He can be a doctor.
【单选题】My father _____________ go to work by bike. He goes on foot. [ ]
A.
does
B.
don't
C.
doesn't
【单选题】How does your pen pal go to work? [ ]
A.
He goes to work by bus.
B.
He lives in Hangzhou.
C.
He goes to bed at 10: 00 p. m.
D.
He is tall.
【简答题】看图选择。 ( ) 1. He has a car. He __________ to work. A. walks ( ) 2. She goes to work by __________. B. drives ( ) 3. She works in a school. She goes to work by __________. C. bicycle ( )...
【单选题】配合物在许多方面有着广泛的应用。下列叙述不正确的是
A.
CuSO 4 溶液呈天蓝色是因为含有[Cu(H 2 O) 4 ] 2+
B.
魔术表演中常用一种含硫氰化铁配离子的溶液来代替血液
C.
[Ag(NH 3 ) 2 ] + 是化学镀银的有效成分
D.
除去硝酸银溶液中的Ag + ，可向其中逐滴加入氨水
【单选题】“He goes to work by subway. ”同义句是_____
A.
He goes to work on the subway.
B.
.He takes a taxi to work .
C.
He works at the subway station.
D.
He goes to work by bus.
【简答题】He goes to work every day__________Saturday and Sunday．
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