Elizabeth admits her mistake of believing in first impressions by telling Jane, “I was blind.”

What does the author mean by saying, "We have to undo man' s mistake in bringing cats here" (Paragraph 3 ) ?

A．Friendly animals such as dogs should have been introduced.

B．Men should remove the bad effect caused by cats.

C．Man should have a better understanding of cats.

D．Cats are not as valuable as other rare animals.

What does the author mean by saying, "We have to undo man' s mistake in bringing cats here" (Paragraph 3 ) ?

A．Friendly animals such as dogs should have been introduced.

B．Men should remove the bad effect caused by cats.

C．Man should have a better understanding of cats.

D．Cats are not as valuable as other rare animals.

According to the writer, Adam Smith\'s mistake was in believing that the division of labor__________

A. was an efficient way of organizing work

B. was an important development in methods of production

C. finally led to economic development

D. increased the production of existing goods

Maybe 10 years old Elizabeth put it best when she said to her father, "But, Dad, you can't be healthy if you are dead."

Dad, in a hurry to get home before dark so he could go for a run, had forgotten to wear his safety belt a—mistake 75% of the US population make every day. The big question is why.

There have been many myths about safety belts since their first appearance in cars some forty years ago. The following are three of the most common.

Myth Number One: It's best to be "thrown clear" of a serious accident.

Truth: Sorry, but any accident serious enough to "throw you clear" is also going to be serious enough to give you a very bad landing, and chances are you'll have travelled through a windshield or door to do it. Studies show that chances of dying after a car accident are twenty-five times greater in cases where people are "thrown clear".

Myth Number Two: Safety belts "trap" people in cars that are burning or sinking in water.

Truth: Sorry again, but studies show that people knocked unconscious for not wearing safety belts have a greater chance of dying in these accidents. People wearing safety belts are usually protected to the point of having a clear head to free themselves from such dangerous situations, not to be trapped in them.

Myth Number Three: Safely belts aren't needed at a speed of less than 30 miles per hour (mph).

Truth: When two cars travelling at 30 mph hit each other, an unbelted driver would meet the windshield with a force head first into the ground from a height of 10 meters.

Why did Elizabeth say to her father "But, Dad, you can't be healthy if you are dead" ?

A．He was driving at great speed.

B．He was running across the street.

C．He didn't have his safety belt on.

D．He didn't take his medicine on time.

听力原文： Many children first learn the value of money by receiving an allowance. Parents often give their children an amount of money that they may spend as they wish. The purpose is to let the children learn from experience at an age when financial mistakes are not very costly.

A child may receive an allowance each week or each month. The amount is not so important. But parents should make clear what, if anything, the child is expected to pay for with the money.

At first, young children may spend all of their allowance soon after they receive it. If they do this, they will learn the hard way that spending must be done within a budget. Parents should not offer more money until the next allowance is to be paid.

Older children may be responsible enough to budget larger costs like those for clothing. The object is to show young people that a budget demands choices between spending and saving.

And paying children to do extra work around the house can be useful. It can even provide an understanding of how a business works.

Allowances give children a chance to experience the three things they can do with money. They can share it with others. They can spend it by buying things they want. Or they can save it.

Saving helps children understand that costly goals require sacrifice: you have to cut costs and plan for the future.

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A．To let them learn some financial experiences.

B．To let them learn how to save money.

C．To let them learn how to buy gifts.

D．To let them learn how to earn money.

According to the writer, Adam Smith's mistake was in believing

that the division of labor__________

A. was an efficient way of organizing work

B. was an important development in methods of production

C. finally led to economic development

D. increased the production of existing goods