一个人在先天禀赋基础上，通过后天的实践努力而形成的基本特质被称为（）。 A.本能 B

我们知道：“电流通过导体时产生的热量，与电流的平方成正比，与导体的电阻成正比，与通电时间成正比．”这就是焦耳定律，有公式可表达为：Q=I²Rt．受动脑筋的小明在探究这个问题时，设计了如图所示的实验，只连接一次电路就完成了实验探究．他的方法是用电阻丝（其中R_甲≠R_乙）给烧瓶中的煤油（煤油质量相同）加热，然后观察煤油在插入密封烧瓶里的玻璃管中上升的高度，就可以对比电阻丝放热的多少．请你仔细观察小明设计的实验电路，并应用所学知识分析回答下列问题．

（1）探究电热的多少与电流的关系，应该对比______两个烧瓶中煤油柱上升的高度，而这两个烧瓶中电阻丝阻值应该______．

（2）探究电热的多少与电阻的关系，应该对比______两个烧瓶中煤油柱上升的高度．

（3）有许多家用电器的工作原理即为焦耳定律，请举两个例子．______．

既能活血化瘀，行气解郁，又能利胆退黄的药物是（）。

A.柴胡

B.金钱草

C.丹参

D.虎杖

E.郁金

1866年凯库勒提出了苯的单、双键交替的平面六边形结构，解释了苯的部分性质，但还有一些问题尚未解决，它不能解释下列事实有（　　）

A．苯的间位二取代物只有一种

B．苯能与H₂发生加成反应

C．溴苯没有同分异构体

D．邻二溴苯只有一种

阅读理解。

     If you're a male and you're reading this, congratulations! You're a survivor. According to statistics, you're

more than twice as likely to die of skin cancer as a woman, and nine times more likely to die of AIDS.

Assuming you make it to the end of your natural term, about 78 years for men in Australia, you'll die on average

five years before a woman.

     There're many reasons for this-typically, men take more risks than women and are more likely to drink and

smoke but perhaps more importantly, men don't go to the doctor.

     "Men aren't seeing doctors as often as they should," says Dr. Gullotta. "This is particularly so for the over-

40s, when diseases tend to strike. According to a recent survey, 95% of women aged between 15 and early

40s see a doctor once a year, compared to 70% of men in the same age group.

     "A lot of men think they're unbeatable," Gullotta says. "They only come in when a friend drops dead on the

golf course and they think, Geez, if it could happen to him …"

     Then there's the ostrich (鸵鸟) approach. "Some men are scared of what might be there and would rather

not know," says Dr. Ross Cartmill.

     "Most men get their cars serviced more regularly than they service their bodies," Cartmill says. He believes

most diseases that commonly affect men could be addressed by preventive check-ups. 

      "Prevention is cheaper in the long run than having to treat the diseases. Besides, the final cost is far greater,

it's called premature death."

1. Why does the author congratulate male readers at the beginning of the passage?

A. They have lived long enough to read this article.

B. They are sure to enjoy a longer and happier life.

C. They can live longer than they expected.

D. They are more likely to survive serious diseases now.

2. Why does the author congratulate male readers at the beginning of the passage?

A. They have lived long enough to read this article.

B. They are sure to enjoy a longer and happier life.

C. They can live longer than they expected.

D. They are more likely to survive serious diseases now.

3. Which of the following best completes the underlined sentence "Geez, if it could happen to him..."

    (in Para 4)?

A. I should consider myself lucky.

B. it would be a big misfortune.

C. I should avoid playing golf.

D. it could happen to me, too.

4. What does Dr. Ross Cartmill mean by the ostrich approach (in Para 5)?

A. A casual attitude towards one s health conditions.

B. Unwillingness to find out about one's disease because of fear.

C. Refusal to get medical treatment for fear of the pain involved.

D. A new treatment for certain psychological problems.

自身免疫性溶血性贫血患者间接抗人球蛋白试验多阳性。