用高压验电器验电时,应先在带电的相线上测试一下,检查它是否完好。

题型:判断题

问题:

用高压验电器验电时,应先在带电的相线上测试一下,检查它是否完好。

考点:天车工考试中级天车工中级天车工题库
题型:判断题

阅读理解。

     A French woman goes to London to see her son. She knows a little English, but can not speak it

very well. One day she goes to a shop. She wants to buy a hen (母鸡) for dinner. But she can not

remember (记得) the English word for "hen". Just then the shop waiter asks her: "Can I help you?" "I

want the egg's mother " the woman answered. The shop waiter does not understand (明白) her and says:

"Sorry, we have not any bigger eggs." Suddenly (突然) the woman remembers the word "cock (公鸡)".

She says:"I want the cock's wife!" This time the shop waiter laughs (笑).

1. The  woman goes to London _______.

A. to learn English  

B. to have supper  

C. to see her son  

D. to have a trip

2. The  woman________.

A. can speak a little English    

B. knows much English  

C. speaks English very well    

D. knows a little English

3. The shop waiter thinks the egg's mother must be"_______".

A. bigger eggs    

B. the cock's wife      

C. hens    

D. cock

4. The  shop waiter laughs because he ________.

A. understands the woman at last    

B. thinks it is interesting

C. does not understand the woman  

D. is friendly

5.  What do you think of the woman ?        

A. Cute    

B. Shy    

C. Clever  

D. Friendly

题型:判断题

烘干法测定水分适合于

A.不含或少含挥发性成分的药材

B.含挥发性成分的贵重药材

C.含挥发性成分的药材

D.动物类药

E.各种药材

题型:判断题

续上题,空气喷出马赫数M=2.8,温度为114K,出口流速为()m/s。

A.300

B.400

C.500

D.600

题型:判断题

炎性乳腺癌的临床表现包括()

A.多见于哺乳期年轻女性

B.病变 * * 皮肤红肿、发热

C. * * 内可及肿块

D.病变往往侵及对侧 * *

E. * * 内缩

题型:判断题

YJl7卷烟机(非PLC)IT80键盘中()用于报告120至124中的参数值更改。

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