问题 单项选择题

洗煤厂使用的磁铁矿粉导磁率要(),磁滞性要()。

A.高、高

B.高、低

C.低、低

D.低、高

答案

参考答案:B

判断题
阅读理解

阅读与表达

阅读下面短文,并根据短文后的要求答题.(请注意问题后的字数要求)

     America's No.1 health problem? A report published by the American Institute of Stress claims the

biggest threat to health today is neither cancer nor AIDS. The report says: "It has been estimated that

75-90 percent of all visits to physicians (内科医生) are for stress related problems."    

      It is no exaggeration to say that people today are being attacked by stress. According to the

National Consumers League, "Work is the top source of stress for adults who have problems and stress

in their lives (39%), followed by family (30%). Other sources include health (10%), concern about the

economy (9%) and concern about international conflict and terrorism (4%)."

      However, stress is hardly unique to the United States. A British survey in 2005 estimated that "over

half a million individuals in Britain believed in 2004 that they were experiencing work-related stress at a

level that was making them ill." As a result of "work-related stress, depression or anxiety," there are "an

estimated thirteen and a half million reported lost working days per year in Britain."  

     The picture is no less bleak (荒凉的) in mainland Europe. According to the European Agency for

Safety and Health at Work, "work-related stress has been shown to affect millions of European workers

across all types of employment sectors." One survey revealed that there are "about 41 million workers

affected by work-related stress each year."   

     _____________? A report issued by a conference held in Tokyo concluded: "Job stress is a

common concern among many countries in the world, both developing and industrialized countries." The

report observed that "several countries in East Asia, including China and Korea, have rapidly

industrialized and economically grown. These countries now have a lot of concerns on job stress and its

harmful effects on workers' health."

1. What's the main idea of the passage? ( please answer within 10 words)

_______________________________________________________________________________

2. What does the underlined sentence "The picture is no less bleak (荒凉的) in mainland Europe?"

    mean?  ( please answer within 10 words)

_______________________________________________________________________________

3. Translate the underlined sentence in the first paragraph into Chinese.

_______________________________________________________________________________

4. List three sources of stress according to the passage. (please answer within 10 words)

_______________________________________________________________________________

5. Please fill in the blank in the last paragraph with a proper sentence. (Please answer within 10 words)

_______________________________________________________________________________