能够多次自动启动和自动关闭,并能在火灾复燃后有效扑救的是( )。 A.自动喷水干湿

题型:单项选择题

问题:

能够多次自动启动和自动关闭,并能在火灾复燃后有效扑救的是( )。

A.自动喷水干湿两用灭火系统
B.自动喷水预作用系统
C.重复启闭预作用灭火系统
D.自动喷水湿式灭火系统

考点:造价工程师建设工程技术与计量(安装)建设工程技术与计量(安装工程部分)
题型:单项选择题

阅读理解。 

     The best way of learning a language is by using it. The best way of learning English is talking in English

as much as possible. Sometimes you will get your words mixed up(混淆) people will not understand them . But if you keep your sense of laugh at the mistakes you make . “Don't be unhappy if people seem to

laugh at your mistakes .It's much better for people to laugh at your mistakes than to be angry because they don't know what you are saying. The most important rule for learning English is “Don't be afraid of making mistakes. Everyone makes mistakes.”  

1. The writer thinks that the best way for you to learn a language is _______.     

A. writing

B. using it

C. listening

D. learning grammar 

2. What should you do in learning English?    

A. Be careful not to make any mistakes.    

B. Write as quickly as you can .    

C. Speak English as much as you can.    

D. Laugh more often. 

3. When people laugh at your mistakes, you should _____.    

A. not care

B. be happy

C. feel worried

D. be unhappy  

4. When you make a mistake ,you should _____.      

A. keep quiet

B. get angry    

C. lost your heart

D. keep your sense of humor   

5. What is the important thing for learning English?____  

A. Keeping laughing     

B. Laughing at others     

C. Being angry with other     

D. Do not afraid of making mistakes

题型:单项选择题

怀孕四个月,曾有三次堕胎史,表现腰膝酸软,头晕耳鸣,手足心热,两颧潮红,大便秘结,舌虹少苔,脉细数。

其治法是 ()

A.补肾健脾,调理冲任

B.温补肾阳,固冲安胎

C.补气养血,固冲安胎

D.补肾填精,固冲安胎

E.活血祛瘀,理气安胎

题型:单项选择题

一物体m放在粗糙的斜面上保持静止,先用水平力F推m,如图,当F由零逐渐增加但物体m仍保持静止状态的情况下,则…………………………………………(     )

①物体m所受的静摩擦力逐渐减小到零   ②物体m所受的弹力逐渐增加

③物体m所受的合力逐渐增加           ④物体m所受的合力不变

A.①③

B.③④

C.①④

D.②④

题型:单项选择题

控制回路由()、()、安全回路、电控回路组成。

题型:单项选择题

要实现多态性,派生类中的虚函数必须( )。

A.函数名、参数及返回值必须与基类中对应的虚函数完全相同

B.参数个数不必与基类中对应的虚函数的函数名完全相同

C.参数类型不必与基类中对应的虚函数的函数名完全相同

D.返回值类型不必与基类中对应的虚函数的函数名完全相同

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