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问题 选择题

2013年3月，我国浙江大学高分子系高超教授的课题组用石墨烯（石墨烯由石墨制成），制造出了一种超轻物质，取名“碳海绵”（如图），刷新了超轻固体材料的世界纪录，也是目前吸油力最强的材料。下列说法错误的是(   )

A．“碳海绵”是一种化合物

B．“碳海绵”具有较强的吸附作用

C．“碳海绵”在一定条件下可还原氧化铜

D．“碳海绵”在氧气中完全燃烧的产物是CO2

答案

答案：A

题目分析：用石墨烯（石墨烯由石墨制成），制造出了一种超轻物质，所以该物质就是由碳元素组成的，属于单质，而不是化合物，该物质也是目前吸油力最强的材料，所以给物质具有很强的吸附性，该物质由碳元素组成，相当于碳的单质，所以可以用来还原氧化铜，且完全燃烧的产物就是二氧化碳，故选A

单项选择题

下列选项中，哪个不是行政处罚决定书应当载明的事项( )

A．作出处罚决定的行政机关的名称
B．处罚的履行方式和期限
C．作出处罚的依据及可变更处罚的情况
D．受罚人的姓名、性别、年龄、职业、工作单位或者住址
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填空题

Most "unassertive" people are not confident and take no for an answer much too easily. There is a growing awareness in our society that this tendency (1) the rights of large numbers of people. For example, in recent years there has been an upsurge in (2) and pressure groups. This is a (3) as there will always be a need for such organizations to (4) individuals and minorities in a competitive society. The danger is that we (5) for our rights and lose the art of asserting ourselves. It is better for (6) with other people if you can learn (7) for yourself.
Now, we have to learn to ignore some of the (8) that may be ringing in our unconscious minds, such as: "If you ask once more, I’ll flatten you", and " (9) ".
The main technique that we use in (10) to practice the art of persistence is called Broken Record. (11) we hear one sentence over and over again until we reach screaming pitch and (12) .
Broken Record is the skill of being able to repeat over and over again, (13) , what it is you want or need, until the other person gives in or (14) .
Now, this technique is extremely useful for dealing with situations where your rights are clearly (15) , or coping with situations where you are likely to be diverted by clever, (16) .
The beauty of using Broken Record is that you (17) because you know exactly what you are going to say, however (18) the other person tries to be.
As with most assertive techniques, it must be used appropriately. It is (19) and is not designed to foster deep, interesting conversations and friendships with people! It is primarily of use in situations where (20) .
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