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【单选题】
当表面活性剂在溶液中浓度低于临界胶束浓度时,则表面活性剂主要是( )A.
以胶束的形式存在于溶液中
B.
以均匀的形式分散在溶液中
C.
以定向排列吸附在溶液表面
D.
以无规则的形式存在于溶液中
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举一反三
【单选题】From the passage it can be assumed that wind energy is better because ______.
A.
it is cheaper than electric power
B.
it does not alter the environment as much as other types of power
C.
it lasts longer than electric power
D.
it is more efficient than electric power
【单选题】患者女,48岁。因子宫肌瘤需要手术治疗。术前患者对护士说:“我从没开过刀,好害怕呀!”护士说:“我很理解你现在的心情,如果是我可能也会害怕。”该护士所采用的沟通技巧是:
A.
共情
B.
阐释
C.
澄清
D.
归纳
E.
重述
【单选题】It is possible that the weather of the world may be changing. Some scientists imagine that this could even mean the beginning of another ice age. The effects of such a change in weather on human popul...
A.
hotter
B.
colder
C.
warmer
D.
freezing
【判断题】It is now believed that the comet is produced by the combined action of the solar wind and the inter-planetary magnetic field.
A.
正确
B.
错误
【简答题】The solar wind distorts the earth's magnetic field，so that it is dragged out to a long tail．
【简答题】Sailing You may think that sailing is a difficult sport, but it is really not hard to learn it. You do not need to be strong. But you need to be quick. And you need to understand a few basic rules abo...
【单选题】According to this article, it is clear that the force of the moon
A.
is not as important as that of the wind
B.
is less than half as much as the sun
C.
causes the alternate rise and fall of the surface of the seas
D.
does not influence the rise and fall of the surface of the seas
【单选题】一位术前患者在和护士的沟通中，说“我从来没有开过刀，好害怕啊”。护士比较恰当的回应是
A.
有什么好怕的，这里每天都有人手术
B.
你怎么这么胆小啊，不就是个手术吗
C.
我理解你现在的心情，要是我也会害怕的
D.
怕也没用，谁让你生病呢，早干嘛去了
E.
不要怕了，越怕越疼
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