Cutting meat production and consumption by 30 percent would help to reduce carbon emissions(排放) and improve health in the most meat-loving nations, scientists said on Wednesday.

Using prediction models, British and Australian researchers　 1 that improving efficiency, increasing carbon capture and 2 fossil fuel dependence in farming would not be enough to　 3　 emissions targets.

But combining these steps 4 a 30 percent reduction in livestock（家畜） 5 in major meat-producing nations and a similar 6 in meat-eating, would lead to "substantial population health benefits" and cut emissions, they said.

The study found that in Britain, a 30 percent 7 intake of animal-source saturated（饱和的） fat by adults would reduce the 8 of premature（过早的） deaths from heart disease by some 17 percent -- equivalent to 18,000 premature deaths reduced in one year.

In Sao Paulo, Brazil, it could mean as 9 as 1,000 premature deaths reduced in a year, they said.

10 the United Nations Food and Agricultural Organization, 18 percent of all greenhouse gas emissions are from meat production and experts say rising 11 for meat, particularly in countries with growing economies, could 12 livestock production up by 85 percent from 2000 levels 13 2030.

The scientists said global action was needed to maximize the benefits of cutting meat production and 14 , and that the environmental 15 "may apply only in those countries that currently have high production levels."

The study was 16 in The Lancet medical journal as part of a series in climate change and health 17 the Copenhagen global climate summit scheduled next month.

In a second study, British scientists found that increased walking and cycling, and 18 cars, would have a much greater impact on health 19 low-emission vehicles in rich and middle-income countries.

Andrew Haines, director of the London School of Hygiene and Tropical Medicine and head of the research series, said delegates at Copenhagen needed "to understand the potential 20 impacts of their plans."

(　 ) 1. A. invented 　　　　　 B. experimented 　 C. found 　　　　　　 D. proved

(　 ) 2. A. increasing 　　　　 B. speeding 　　　　 C. stopping 　　　　 D. reducing

(　 ) 3. A. meet 　　　　　　　　 B. change 　　　　　 C. break 　　　　　　　　　　 D. adapt

(　 ) 4. A. by 　　　　　　　　　 B. with 　　　　　　　 C. to 　　　　　　　　　 D. in

(　 ) 5. A. sale 　　　　　　　　　 B. eating 　　　　　　 C. production 　　　　　　 D. use

(　 ) 6. A. cut 　　　　　　　　　 B. increase 　　　　　 C. addition 　　　　　 D. consumption

(　 ) 7. A. lower 　　　　　　　 B. higher 　　　　　　 C. more 　　　　　　　 D. less

(　 ) 8. A. amount 　　　　　　 B. number 　　　　　 C. quantity 　　　　　 D. deal

(　 ) 9. A. much 　　　　　　　 B. many 　　　　　　　 C. few 　　　　　　　　 D. little

(　 ) 10. A. According to 　 B. Apart from 　　　 C. As well as 　　　 D. In addition to

(　 ) 11. A. resistance 　　　 B. fear 　　　　　　　　 C. demand 　　　　　 D. anxiety

(　 ) 12. A. weaken 　　　　　 B. strengthen 　　　 C. drive 　　　　　　　 D. broaden

(　 ) 13. A. in 　　　　　　　　　 B. by 　　　　　　　　　 C. from 　　　　　　　 D. after

(　 ) 14. A. evaluation 　　　 B. consumption 　 C. process 　　　　　 D. store

(　 ) 15. A. advantage 　　　 B. disadvantage 　 C. pollution 　　　　 D. improvement

(　 ) 16. A. written 　　　　　 B. claimed 　　　　　 C. delivered 　　　　 D. published

(　 ) 17. A. along with 　　　　　　 B. from behind 　　 C. ahead of 　　　　 D. in front of

(　 ) 18. A. more 　　　　　　　 B. fewer 　　　　　　　　　　 C. no 　　　　　　　　　 . none

(　 ) 19. A. then 　　　　　　　 B. as 　　　　　　　　　 C. that 　　　　　　　　 D. than

(　 ) 20. A. health 　　　　　　 B. body 　　　　　　　 C. spirit 　　　　　　　 D. emotion

In order to continue to learn by ourselves after leaving school, we must  ______ learn how to study in the school now .

    A. after all   B. in all       C. above all   D. first of all

My sister was against my suggestion while my brother was _______ it.

A. in favor of             B. in memory of    C. in honor of            D. in search of

It is generally accepted that    boy must learn to stand up and fight like    man.

   A. a; the         B. a; a          C. the; the           D. a; /

I would not have minded the difficulty of the work if the pay had not been so poor. I _______ the lowest wage of that time—two dollars an hour.

A. paid B. had paid 　C. had been paid D. was paid

—Your head teacher says you are reliable and punctual. You are never late for school，are you?

 —___________ .

A. No，sometimes        B. Yes，sometimes      C. Yes，I did        D. No，I do

It was at this shop _______ I bought my skirt. How about coming to my home to have a look tonight?

A. that          B. where            C. which         D. what

-----Did you watch the basketball match yesterday?

-----Yes, I did. You know, my brother ________ in the match.

A. is playing      B. was playing      C. has played      D. had played

Scientific experiments __________ by students without the teachers’ instructions can be dangerous.

   A. carry out     B. carrying out      C. carried out       D. carrying

Although I liked the appearance of the house, what really made me decide to buy it was the beautiful________ through the windows.

A. view               B. scene              C. sight              D. scenery