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【单选题】
浓度为 0 . 01mol·kg - 1 的下列电解质溶液中,离子平均活度因子最小的是:A.
CuSO 4
B.
CuCl 2
C.
NaCl
D.
AlCl 3
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皮皮学刷刷变学霸
举一反三
【简答题】Students engage in many (beyond the curriculum) activities.
【单选题】Only 20% of university students (engage) in doing regular exercise.
A.
鼓励；鼓动
B.
吸引；雇佣；参加
C.
策划；设计
【多选题】Ways to engage students in successful listening experience: ______.
A.
clear instruction
B.
minimal writing
C.
prompt feedback
D.
interesting listening material
【单选题】How did Eban Goodstein engage students and political leaders on global warming?
A.
He gave a lecture in class.
B.
He wrote letters to government officials.
C.
He seized on the idea of a nationwide teach-in.
D.
He held the Live Earth concert.
【简答题】儒家的核心概念是（ ）。
【简答题】It is necessary to engage the students in some act of ( ) when teaching writing.
【简答题】To motivate students for writing, it is necessary to engage them in some act of____ .
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