在电路的阻抗三角形中,阻抗角Q指的是()之间的类角。 A.R与Z B.X与Z C.R

题型:单项选择题

问题:

在电路的阻抗三角形中,阻抗角Q指的是()之间的类角。

A.R与Z

B.X与Z

C.R与X

考点:电力水利自动化电力水利自动化题库
题型:单项选择题

阅读理解。

    Every country has its favorite food. Italians like to eat pizza. Indians like to eat hot food. Japanese like

to eat fish. Often they don't cook it.

   In England, one of the most  popular kinds of food is fish and chips. People usually buy it in a fish and

chip shop. They put it in paper bags, and take it home,  or  to  their workplace. Sometimes they eat it in

the park or on the road. The  world's  favorite  food is American fast food. If you go to some important

cities in the world, you can find people eating hamburgers and chips.

   Fish and chips and Chinese take-away  food are very popular in England. But they are less popular in

the USA, they eat take-away food, too, like chicken. But  the  most  popular kind of take-away food is

the hamburger. It looks like bread with meat in it. Ham (火腿) is a kind of pork, but the hamburger does

not have any pork in it. The beef is inside a kind of cake hamburgers are delicious. They are also popular

in England and Australia.

1. Italians like to eat __________. 

A. dumplings        

B. pizza      

C. hot food          

D. fish

2.Fish and chips are very popular in _____.   

A. England          

B. Australia  

C. the USA          

D. Canada  

3. In different countries people eat ______ food.

A. different          

B. the same  

C. the different      

D. same

4. The hamburger does not have any _____ in it.

A. beef              

B. pork      

C. fish              

D. chips 

5. Hamburger is a kind of ______.    

A. meat              

B. drink    

C. food              

D. Vegetable

题型:单项选择题

1937、1942年国民政府统治区重工业状况表

表格所示各种比例发生变化的主要原因是[ ]

A.抗日战争的影响                  

B.抗日根据地扩大

C.国际援助的增多                  

D.民营工业的发展

题型:单项选择题

在包括1000个元素的线性表中实现如下各运算,哪一个所需要的执行时间最长( )

A.线性表按顺序方式存储,在线性表的第10个结点后面插入一个新结点

B.线性表按链接方式存储,在线性表的第10个结点后面插入一个新结点

C.线性表按顺序方式存储,删除线性表的第990个结点

D.线性表按链接方式存储,删除指针P所指向的结点

题型:单项选择题

某企业预计明年销售收入将达到6000万元,总成本费用将为5600万元,该企业明年应缴纳()。

A.销售税金

B.所得税

C.固定资产投资方向调节税

D.所得税和销售税金

题型:单项选择题

GPRS业务:CS1~CS4编码方式采用的是()调制方式。

A.8_PSK

B.GMSK

C.8_GSK

D.GPSK

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