肥效果。

1. Standing for about three hours may ________.

A．make you very tired

B. help lose some weight

C. use up most of your energy

D. leave your chairs in good condition

答案：B　细节理解题。根据第二段第一句可知，站立能产生减肥效果。

2. The underlined word "championed" in Paragraph 3 probably means ________.

A．designed　　　　　　　 B. drawn

C. explained D. supported

答案：D　词义猜测题。根据画线词后的who wrote on a typewriter at a special chest－height desk及本段最后一句可知，海明威支持站着工作。由此可以推知，该词有"支持"之意。

3. What Dr. Buckley told BBC News suggests that nowadays people ________.

A．watch TV every day

B. enjoy driving to work

C. like sitting too much

D. are usually very busy

答案：C　推理判断题。根据第四段第三句可以推知，现在的人们太喜欢坐着。

4. What would be the best title for this passage?

A．The Difference Between Sitting and Standing

B. Tips to Work Better in the Office

C. Some Bad Habits in the Office

D. The Advantages of Standing

答案：D　标题概括题。本文主要讲述了长期坐着的危害，其目的是告诉读者站立的好处，故D项为最佳答案。

C

OSLO (Reuters)-Six of the world's eight bear species are under threat of extinctionW1 after the addition yesterday of the sun bear, the world's smallest type of bear, to a "Red List" which says China's panda is most at risk. The sun bear is threatened partly by poachers(偷猎者) who sell its bile(胆汁) as medicine, said the World Conservation Union which runs the list of the threatened wildlife.

"Things are getting worse for all the bear species except the American black bear which is unquestionably increasing，" said Simon Smart, senior species adviser for the Union.

The addition of the sun bear to the authoritativeW2 Red List after a major review means the American black bear and the brown bear, found from Europe to Alaska, are the only two of eight species still