Passage Three
Questions 17to 20are based on th e passage you have just heard.
17.A)Gas.
B)Water.
C)Vapor.
D)Chemicals.
18.A)By heating dry ice.
B)By passing steam over dry ice.
C)By mixing dry ice with ordinary ice.
D)By turning ordinary ice into steam.
19.A)It is lighter to carry.
B)It is not so cold as ordinary ice.
C)It takes a long time to melt.
D)It is cleaner to use than ordinary ice.
20.A)In the 1950's.
C)In the 1920's.
B)In the 1940's.
D)In the 1930's.
Part II Reading Comprehension(35 minutes)
Directions：There are four passages in this part.Each passage is followed by some questions or unfinished statements.For each of them there are four choices marked A)，B)，C)and D). You should decide on the best choice and mark the corresponding letter on the ANSWER SHEET with a single line through the center.
Questions 21to 25are based on the following passage：
More attention was paid to the quality of production in France at the time of Rene Coty.Charles Deschanel was then the financial minister.He stressed that workmanship and quality were more important than quantity for industrial production.It would be necessary to produce quality goods for the international market to compete with those produced in other countries.The French economy needed a larger share of the international market to balance its import and export trade.
French industrial and agricultural production was still inadequate to meet the immediate needs of the people，let alone long-ranged developments.Essential imports had stretched the national credit to the breaking point.Rents were tightly controlled，but the extreme inflation affected general population most severely through the cost of food.Food costs took as much as 80 percent of the workers'income.Wages，it is true，had risen.Extensive fam ily allowances and benefits were paid by the state，and there was full-time and overtime employment.Taken together，these factors enabled the working class to exist but allowed them no sense of security.In this precarious(不稳定的)and discouraging situation，workmen were willing to work overseas for higher wages.
The government was reluctant to let workers leave the country.It was feared this immigration of workers would deplete the labor force.The lack of qualified workers might hinder the improvement in the quality of industrial products produced.Qualified workers employed abroad would only increase the quantity of quality goods produced in foreign countries.Also the quantity of quality goods produced in France would not be able to increase as part of its qualified labor force moved to other countries.
21.According to the passage，the French workers were ________ .
A)better paid than the workers in any other European countries
B)able to save more money with the increase in their wages
C)anxious to work abroad
D)often unable to find work in France
22.Rene Coty and Charles Deschanel were both interested in ________.
A)better quality in production
B)increasing quantity in production
C)having the government raise tariffs on foreign imports
D)eliminating unions in France
23.The French government was reluctant to let the workers leave the country because ________ .
A)it would enlarge the working force
B)it would hinder the improvement of quality in industrial production
C)it would hinder the increase in quantity of exports
D)it would damage the imports
24.Rents in France ________.
A)were extremely high
B)were extremely controlled
C)took as much as 80percent of the workers'income
D)had doubled in two years
25.According to the passage，the French government ________.
A)prohibited French to work abroad
B)reduced taxes to fight inflation
C)paid family allowances and benefits
D)prohibited the French workers to join labor unions
Questions 26 to 30 are based on the following passage：
Food can be divided into two basic categories：real food and pleasure food.Real food is fuel for the body's needs，while pleasure food， which is high in fat and sugar，is primarily for taste satisfaction.The categories are pretty obvious.Broccoli is real food.Cookies are in the pleasure group.
When you are hungry，you are faced with choices.If you aren't suffering from excessive hunger，you can be rational about them.Go to the refrigerator.What looks good?If you have chosen a real food，say，a turkey sandwich，you can be certain your body can use it for fuel.Eat it and enjoy.
Two hours later you are hungry again.Back to the refrigerator.What looks good?Ice cream.Stop!Employ your will power just a little.Ice cream is not what your body needs.Does something else look good?Yes，a piece of toast with peanut butter and a glass of milk sound good too.Okay，go ahead，remembering that high-fat real foods should be eaten in moderation.
One trick is to eliminate pleasure foods from your kitchen.Instead，keep a variety of high-quality foods available at all times.In short，buy lots of delicious real food，food you really like，and get rid of the junk.
But what if you have ice cream on hand and nothing sounds good?Although you don't want to eat pleasure foods whenever the urge strikes，there is a legitimate place for them in your diet.If you have analyzed your feelings and there are no other needs imitating hunger， eat the ice cream.You have not failed.On the contrary，you have accepted your natural appetite，but not blindly.
Surprisingly，when you know you can eat anything you want，a nd that you never have to put up with unsatisfied hunger again，it takes a lot of pressure off.You will begin to want to eat what your body needs，and your body will begin to need foods that will lead to slimness.
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