下列哪种行为不能用亲缘选择理论来解释_______。A．兵蚁保卫蚁王的行为 B．挪威

（1）0.3+9.7×0.23

（2）91.6-3.8-6.62

（3）1.03×（8.8÷0.25）

（4）2.23×7.5-2.23+3.5×2.23

（5）1.2÷[（5.1-3.6）×0.08]

（6）99.9+9.9+0.9+0.3．

如何培养学生的道德认知

Expressions about water are almost as common as water itself. But many of the expressions using water have unpleasant meanings.

The expression “to be in hot water" is one of them. It is a very old expression. “Hot water” was used 500 years ago to mean being in trouble. One story says it got that meaning from the custom of throwing extremely hot water down on enemies attacking a castle.

That no longer happens. But we still get in “hot water”．When we are in “hot water”, we are in trouble. It can be any kind of trouble—serious or not so serious. A person who breaks a law can be in hot water with the police. A young boy can be in hot water with his mother. if he walks in the house with dirty shoes.

Being in “deep water” is almost the same as being in hot water. When you are in deep water, you are in a difficult position. Imagine a person who cannot swim being thrown in water over his head.

You are in deep water when you are facing a problem that you do not have the ability to solve. The problem is too deep. You can be in deep water, for example, if you invest in stocks without knowing anything about the stock market.

“To keep your head above water” is a colorful expression that means staying out of debt. A company seeks to keep its head above water during economic hard times. A man who loses his job tries to keep his head above water until he finds a new job.

“Water over the dam” is another expression about a past event. It is something that is finished. It cannot be changed. The expression comes from the idea that water that has flowed over a dam cannot be brought back again.

小题1:Which of the following two expressions have almost the same meaning?

A．To be in hot water；To be in deep water.

B．To be in hot water；To keep your head above water.

C．To be in deep water；Water over the dam.

D．Water over the dam；To be in hot water.小题2:If a person tries to keep his head out of water，we can say that       .

A．he is in danger of losing his life

B．he is trying to pay off his debt

C．he is trying to keep his promise

D．he is trying not to get into debt小题3:What can you infer from the passage?

A．“To be in hot water” can only be used to mention serious trouble.

B．“Water over the dam” is an expression about a future event.

C．Water could be used in the war in the past.

D．All of the expressions using water have unpleasant meanings.小题4:This passage is written mainly to tell us        .

A．the use of water

B．how to use some expressions about water

C．expressions about water and their meanings

D．expressions with negative meaning

肺痨的特点是（）

A.急性

B.迁延性

C.慢性

D.传染性

E.消耗性

一般说来，故意犯罪行为是一种有意识的、自觉的活动。它是由犯罪人的心理直接支配和发动的。不可否认，许多刑事案件的发生，除了犯罪人的主观因素之外，或多或少都有一些客观的或外在的原因。这段话主要表明了这样一种观点，即( )。

A．犯罪是有目的、有计划、有意识的行为

B．犯罪行为是在主、客观多种因素的影响下产生的

C．犯罪人的心理应对犯罪负直接责任

D．不良环境的影响和刺激物的引诱是犯罪行为产生的主要原因