一个8选1数据选择器，其地址输入（选择控制输入）端有几个（）。 A.2 B.3

在短文的空格内填入适当的词，使其内容通顺。

     At one time, making a film was an expensive activity only for a small group of people and film companies.

Not only were the tools and machines expensive but the cost of film was also far greater than most people

could afford. However, modem technology has (1)c______ all that.

     New technology has really opened up the world of film-making for film fans. Now a camera does not

cost (2)m______  and most young people are certainly able to pay for it. So all you need is to get one for

yourself. With that, you may then start your own film-making.

     However, film-making is (3)t______ work. You probably need many other people to help you. For example,

the (4)p______ of actors and actresses is very important in your film. Of course, these actors and actresses

may be your schoolmates, friends or family members. You don't even need to pay them a cent while they are

glad to be part of your job. 

     (5)B______ , you need to make up a story. Can you write your own one? If you have good imagination,

you can create an attractive story (6)e______ . Many world-famous film makers and producers are also good

story-writers. If not, perhaps you need someone else to write it for you. An excellent story is the key to

making a (7)s______ film.

从决策管理系统导入入库单据时报错如何处理？

------ Listen! ______.

------ Oh, let’s go to the classroom.

A .There goes the bell.    B. There is a bell.   C. There the bell go.

电流互感器正常工作情况下，二次侧绕组处于__________状态，它的一次电流与二次回路阻抗无关。

具有主通明生理特性的脏是（）

A.肝

B.心

C.脾

D.肺

E.肾