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【简答题】
Which typical oxides and hydroxides can be formed by Lanthanide elements?
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举一反三
【单选题】Although the two players are ______ in the tennis court, they are really good friends.
A.
partners
B.
enemies
C.
rivals
D.
companions
【简答题】Two friends are having a picnic together. 36 names are Jack and Tim. Tim is very lazy (懒的) . 37 the first evening of their holiday, Jack says to Tim, “Here’s some money. Go and buy some meat.” “I’m to...
【单选题】Although the two players are______ in the tennis court, they are really good friends.
A.
partners
B.
companions
C.
rivals
D.
enemies
【简答题】调查显示：日本福岛第一核电站因地震导致反应堆一回路主泵停止运行，核燃料棒没有足够的水覆盖冷却，核燃料棒上端过热破裂，引起严重核泄漏…用水做冷却剂的原因是______．4月8日，环境紧急响应中心专家周斌接受新华社记者采访时表示，“核泄漏时，放射性物质好比墨水滴入一条河流，向周围不断运动”可见，核放射性物质的运动也可形成______现象．
【单选题】Although the two players are ______ on the tennis court, they are really good friends.
A.
partners
B.
enemies
C.
rivals
D.
companions
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