下列对于实验现象描述与事实不符合的是（ ） A．将细铁丝放入氧气中，火星四射，生
题型：多选题
问题：
下列对于实验现象描述与事实不符合的是（ ）
A．将细铁丝放入氧气中，火星四射，生成一种黑色固体
B．红磷在空气里燃烧，产生大量白雾
C．木炭在氧气中燃烧，发出白光，产生大量的热
D．将红色的铜丝在酒精灯火焰上加热，会变成黑色
题型：多选题
To err is human. To blame the other guy is even more human.
Common sense is not all that common.
Why tell the truth when you can come up with a good excuse?
These three popular misquotes(戏谑的引语)are meant to be jokes, and yet they tell us a lot about h
uman nature .To err, or to make mistakes, is indeed a part of being human, but it seems that most people don’t want to accept the responsibility for the problem. Perhaps it is the natural thing to do .The original quote about human nature went like this:” To err is human, to forgive, divine(神圣的).”This saying mirrors an deal people should be forgiving of others’ mistakes. Instead, we tend to do the opposite –find someone else to pass the blame on to. However, taking responsibility for something that went wrong is a making of great maturity.
Common sense is what we call clear thought. Having common sense means having a good general plan that will make things work well, and it also means staying with the plan. Commonsense tells you 
that you take an umbrella out into a rainstorm, but you leave the umbrella home when you hear a weather forecast for sunshine．Common sense does not seem to be common for large organizations, because there are so many things going on that one person cannot be in charge of everything. People say that in a large company,”the right hand does not know what the left hand is doing.”
And what is wrong with a society that thinks that making up a good excuse is like creating a work of art? One of the common problems with making excuses is that people, especially young people. get the idea that it’s okay not to be totally honest all the time. There is a corollary(直接推论)to that: if good excuse is “good”even if it isn’t honest, then where is the place of the truth?
1. According to tile passage, which of following seems the most human?
A. To search for truth． B. To achieve one’s ideal
C. To make fun of others’mistakes． D. To criticize others for one’s own error.
2．According to the author, what is a sign of a man’s maturity?
A．Doing things his own way.
B．Bearing responsibility for his mistakes.
C．Making as few mistakes as possible．
D．Thinking seriously about his wrongdoing.
3．Which of the following is N0T based on common sense?
A．A man tries to take charge of everything in a large company.
B．A student
goes out with an umbrella in stormy weather.
C．A company’s next move follows a good plan．
D．A lawyer acts on fine judgments．
4. What is the author’s opinion about a good excuse?
A. Making a good excuse is sometimes a better policy.
B. Inventing a good excuse needs creative ideas.
C. A good excuse is as rewarding as honesty.
D. Bitter truth is better than a good excuse.
5. What would be the best title for his passage?
A. A Mirror of Human Nature B. To Blame or to Forgive
C. A Mark of Maturity D. Truth or Excuse