) 膨胀 Water expands when it freezes. 水结冰时体积膨胀. A tire expands when you pump air into it. 轮胎打了气就会胀大. 查看更多

 

题目列表(包括答案和解析)

单词拼写(共10个小题,每小题1分,共10分)

1.There are many art _____________ (画廊)in New York.

2.Would you please let me know your _____________ address(永久的) ?

3.Her arm was beginning to _____________ (膨胀) up where the bee had stung her.

4.I saw an_____________ (救护车) passing by.

5.He hit me on the head with a ball _____________ (故意的)which made me very angry.

6.In harvest time, he has to_____________ (雇佣) more people to work for him.

7.Everyone who enters the chemical factory must wear a_____________ (面具).

8.In the factory the workers_____________ (纺成线)wool into thread nowadays.

9.He was a  _____________ (受害者) of racial prejudice.

10.The entire world _____________(组成) of matter.

 

查看答案和解析>>

Don't blame genes for aging facial skin. A new study of twins suggests you can   1   those coarse(粗糙的) wrinkles, brown or pink spots, and dilated(膨胀的) blood vessels on too much time in the sun, smoking, and being overweight.

Because twins share genes, but may have  2  exposures to environmental factors, studying twins allows an, "opportunity to control for genetic susceptibility(敏感性)," Dr. Elma D. Baron, at Case Western Reserve School of Medicine in Cleveland, Ohio, and colleagues  3  in the latest issue of Archives of Dermatology.

Their analysis of environmental skin-damaging factors in 65 pairs of twins hints that skin aging is  4  more to environment and lifestyle than  5   factors.

But when it   6   skin cancer, the researchers say their findings support previous reports that   7  environment and genes affect skin cancer risk.

Baron's team   8   facial skin of 130 twins, 18 to 77 years old, who lived  9   in the northern Midwest and Eastern regions of the U.S. who were  10   the Twins Days Festival in Ohio in August 2002.

At this time, each of the twins also  11    reported how their skin burned or tanned  12    sunscreen(防晒霜), their weight, and their history of skin cancer, smoking, and alcohol drinking.

The study group   13   of 52 fraternal and 10 identical twin pairs, plus 3 pairs who were unsure of their twin status. Identical(同卵的) twins share all of their genes and fraternal twins share only about half.

From these data, the researchers  14  strong ties, outside of twin status, between smoking, older age, and being overweight, and having facial skin with evidence of environmental  15 

 16   contrast, sunscreen use and drinking alcohol appeared correlated with   17    skin damage.

Baron and colleagues say the current findings, which highlight ties between facial   18  and potentially avoidable  19   factors -- such as smoking, being overweight, and   20   overexposure to the sun's damaging rays -- may help motivate people to minimize these risky behaviors.

(    ) 1. A. blame                         B. owe                 C. take                 D. bring

(    ) 2. A. same                      B. different           C. similar             D. common

(    ) 3. A. explain                    B. confirm            C. declare             D. shout

(    ) 4. A. equal                             B. related              C. close               D. strict

(    ) 5. A. characteristic           B. personal           C. natural             D. genetic

(    ) 6. A. comes to                 B. talks of             C. refers to           D. gets to

(    ) 7. A. all                          B. neither             C. both                 D. either

(    ) 8. A. examined               B. checked            C. inspected          D. interviewed

(    ) 9. A. most                      B. usually             C. mostly              D. always

(    ) 10. A. joining                  B. representing      C. attending          D. remarking

(    ) 11. A. separately                  B. lonely              C. commonly               D. truly

(    ) 12. A. with                             B. on                    C. in                    D. without

(    ) 13. A. consisted                      B. made up         C. contained       D. included

(    ) 14. A. documented           B. recorded           C. reported           D. noted

(    ) 15. A. damage                 B. exploration       C. protection        D. material

(    ) 16. A. In                         B. By                   C. As                    D. At

(    ) 17. A. lesser                    B. more               C. no                    D. fewer

(    ) 18. A. look                             B. aging                      C. expression               D. wrinkle

(    ) 19. A. environmental               B. genetic             C. emotional        D. psychological

(    ) 20. A. protected                      B. planned            C. unprotected       D. prevented

查看答案和解析>>


当今全球环境问题变得越来越严重。请你根据漫画内容,以李华的名义给“China Daily”写一封信,描述这种状况,并提出保护环境的建议。
注意:
1.不要拘泥于要点,可以适当发挥,词数100左右。
2.参考词汇:人口膨胀:population expansion;过度开发:overdevelopment

Dear Editor,
_______________________________________________________________________________
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours sincerely,
Ll hua

查看答案和解析>>


第五部分:书面表达(满分25分)
全世界的环境问题在变得越来越严重。请你根据漫画内容和下面要求给China Daily写一封信反映这一情况,并提出几条保护环境的建议。

注意:1、信的开头与结尾已经给出,不计算在总词数内。
2、字数要求: 150左右。
3、人口膨胀population expansion      过度开发overdevelopment
Dear editor,
Environmental problems are becoming more and more serious all over the world.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours truly,                                            
Li Hua

查看答案和解析>>



热点九:低碳经济下的环境保护(3)
全世界的环境问题在变得越来越严重。请你根据漫画内容和下面要求给China Daily写一封信反映这一情况,并提出保护环境的建议。

注意:1.信的开头与结尾已经给出,不计算在总词数内。
2. 字数要求: 120左右。
人口膨胀population expansion;过度开发overdevelopment。
Dear editor,
Environmental problems are becoming more and more serious all over the world.
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours truly
Li  Hua

查看答案和解析>>


同步练习册答案