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如图所示,将一个体积为1.0×103m3、重6N的木块用细线系在底面积为400cm2的圆柱形容器的底部.当容器中倒入足够的水使木块被浸没时,求:

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    There are many expressions with the word “dog”.

    ____They take their dogs for walks, give them good food and medical care. However, dogs without owners to care for them lead a different kind of life. The expression, lead a dog's life, describes a person who has an unhappy existence.

    When we say we live in a dog-eat-dog world____ A person has to work hard like a dog to be successful. Such hard work can make people dog-tired. And, the situation would be even worse if they became sick as a dog.

    Still, people say every dog has its day. This means that every person enjoys a successful period during his or her life____ Yet, some people say that you can never teach an old dog new tricks. They believe that older people do not like to learn new skills and will not change the way they do things.

    Some people are compared to dogs in bad ways. People who are unkind or uncaring can be described as junkyard dogs living in places where people throw away things they do not want. Junkyard dogs are often used to guard this property. They bark or attack people who try to enter the property. However, sometimes a person who appears to be mean and threatening is really not so bad____

    Dog expressions are also used to describe the weather. The dog days of summer are the hottest days of the year____But we do not want it to rain cats and dogs.

A. We could say his bark is worse than his bite.

B. That means many people are competing for the same things, like good jobs.

C. But there are many difficulties on the road to success.

D. People love dogs and treat them well.

E. To be successful, people often have to learn new skills.

F. Dogs are loyal to people.

G. A rainstorm may cool the weather.