为了隔离外部的射频场,试验线圈最有效的屏蔽材料是().A.玻璃纤维; B.奥氏体不锈

题型:单项选择题

问题:

为了隔离外部的射频场,试验线圈最有效的屏蔽材料是().

A.玻璃纤维;

B.奥氏体不锈钢;

C.铜;

D.黄铜.

考点:无损检测技术资格人员考试无损检测技术资格人员考试题库
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小明从家中出发,先向正东前进200m,接着又朝正南方向前进150m,则这时小明离家的直线距离为(    )m.

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As a foreigner , I often hear the Chinese calling me laowai ” . If I could not speak Chinese or if I had no understanding of Asian customs , I might be angry when I am called a “ laowai ” . But having lived in the Philippines and China’s Taiwan Province teaching English for several years , I have come to China with a different view from most other foreign teachers here . In such situations , I just answer back in standard Chinese : “ Ni zenmo zhidao wo shi waiguoren ?( How do you know I’m a foreigner ? )” When I hear people shout out “ hello ” in a more impolite way and then laugh , I reply in Chinese with “ Ni de yingyu bi wo de hao .(Your English is better than mine .)”

Speaking Chinese is a way of living an easier life in China . As an English teacher at Hubei University in Wuhan , I was once invited by a student to spend the weekend with his family . Because I can speak Chinese quite freely , I was able to talk with my student’s entire family . From my personal experience , I knew that the Chinese have a “ gift ”for making foreigners in China feel right at home . That fun-filled weekend I spent with my student’s family in Caidian , a small suburb of Wuhan , just showed that my idea was right .

It was an experience I will never forget .

Americans have a saying : If you can’t beat them , then join them .The secret to feeling at home with the Chinese people isn’t to try to make them change over to Western ways . The secret is to become one of them . Just go with the flow , or don’t take things too seriously . In this way you will surely feel at home in China .

If you no longer emphasize (强调) our differences from the Chinese , you will be more willing to concentrate on what “ big noses ” and “ small noses ” have in common .

68. The reply “Ni de yingyu bi wo de hao ” shows _______ .

A. the author likes to talk with the Chinese    

B. the author isn’t angry

C. the author really think so        

D. the author likes to speak Chinese

69. Which of the following is NOT true ?

A. The author has known Chinese customs fairly well .

B. The author can speak Chinese very well .

C. The author doesn’t mind being called a “ laowai ” .

D. The author is difficult to get along with .

70. Shouting out “ hello ” to a strange foreigner is usually considered ______ by foreigners .

A. friendly                      B. curious       

C. rude                         D. brave

71. The phrase “ go with the flow ” here means _______ .

A. feel at home                     

B. when in Rome , do as the Romans do

C. flow with the river                

D. take things easy

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有关椎间盘变性描述,正确的是()

A.T2加权像最为敏感

B.T1加权像显示较差

C.变性的椎间盘可出现真空现象

D.变性的椎间盘可钙化

E.以上均是

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发电机启动前应进行哪些检查工作?

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