第2部分：閱讀判斷。下面的短文后列出了7個句子，請根據(jù)短文的內(nèi)容對每個句子做出判斷：如果該句提供的是正確信息，請選擇A;如果該句提供的是錯誤信息，請選擇B;如果該句的信息文中沒有提及，請選擇C。

Osteoporosis and Men

Mention the word osteoporosis in the manly world of testosterone, professional basketball and the XFL, and you 're likely to get a wave of the hand and a dismissive "That 's a woman 's disease." Not so. More than 2 million American men have been found to have the thinning bones and skeletal weakness of osteoporosis, and an additional 3 million are at an increased risk of developing them.

It's true that osteoporosis strikes women with much greater frequency than men - in some studies as much as four to six times as often. But that's no reason to brush it off as "their" disease. It's a mere stroke of gender luck that men's bones tend to grow larger, stronger and denser. Also paying dividends are those spots that boys (and, increasingly, girls) play as children - running up and down basketball courts, soccer and baseball fields. As it happens, physical activity is one of the more important ways to increase bone density and protect bone health.

But even the most active men cannot ignore certain facts of life. All of us build up our bones during the first three decades of life, typically reaching peak bone mass in the early 30s. Around the age of 35, we begin gradually to lose some of this bone mass. Women ultimately give up between 30%. Though mass loss in men is lower, it still makes us vulnerable to back pains and bone fractures. In fact, this year alone American men will suffer as many as half a million osteoporosis-related breaks, mostly in the spine, hip and wrist. These are not only painful; thousands die each year from fracture-related complications.

For many of us, however, there's still time. Of all the side effects of aging, osteoporosis is one of the more preventable, through diet, exercise and changes in lifestyle. The two key nutritional substances for bone health are calcium, which makes bones stronger, and vitamin D, which helps the body absorb the calcium.

Exercising is also important, with emphasis on weight-bearing activities in which bones and muscles work against gravity. Lifting weights and working out on resistance machines can help preserve bone density.

Be careful about what's in your medicine cabinet. Prolonged use of some medications, such as steroids, can weaken your bones. Smoking and drinking are both bad for bones, as is prolonged weightlessness, for anybody who plans to work on the space station.

1 Men are justified in thinking that osteoporosis is a woman's disease.

A Right

B Wrong

C Not mentioned

2 Most women also think that osteoporosis is a woman's disease.

A Right

B Wrong

C Not mentioned

3 The kind of sport that boys often play as children is good for the build-up of their bones.

A Right

B Wrong

C Not mentioned

4 You are prone to bone breaks if you suffer from osteoporosis.

A Right

B Wrong

C Not mentioned

5 In general, men and women reach peak bone mass at the age of 35.

A Right

B Wrong

C Not mentioned

6 Exercising is an important way to protect bone health.

A Right

B Wrong

C Not mentioned

7 Weight loss is also bad for your bones.

A Right

B Wrong

C Not mentioned

參考答案：

1. B　　2. C　　3. A　　4. A 5. B　6. A　　7. C

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