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【单选题】
下列离子在水溶液中最不稳定的是A.
Cu 2+
B.
Hg 2 2+
C.
Hg 2+
D.
Cu +
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举一反三
【单选题】Which of the following is the advantage of pair work?
A.
It is an ideal way to show materials and do presentations together.
B.
It allows students to work together rather than under teachers' guidance.
C.
It reinforces a sense of belonging among a group of members.
D.
It is very stressful.
【简答题】Talking, dancing, playing a --all of these activities allow you to with other people.
【简答题】Role-play the following situations with your partner. 1. Two students are talking about their interests. One is interested in travelling, while the other is fond of listening to music. 2. Two students...
【单选题】社会主义核心价值观的提出,鲜明确立了当代中国的核心价值理念,生动展现了中国共产党和中华民族高度的( )。
A.
道路自信与信仰自觉
B.
民族自信与文化自觉
C.
前途自信与思想自觉
D.
价值自信与价值自觉
【简答题】听下面一段话，回答1-3题。 1.What are the two speakers talking about? A.A dancing party. B.The dinner. C.Their best friend. 2.Which of the following drink isn't included? A.Coffee. B.Wine. C.Tea. 3.What will happ...
【单选题】Which of the following is the time when students work in a pair?
A.
When all the students are under the control of the teacher
B.
When students work in pairs on an exercise or a task
C.
When students work in small groups
D.
When students are expected to work on their own at their own speed
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