（）交直流混合电网（简称大电网）是电力规模化集中汇集、远距离_爱下问搜题

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问题单项选择题

（）交直流混合电网（简称大电网）是电力规模化集中汇集、远距离跨洲传输、大范围灵活配置的重要基础平台。

A.大型

B.超大型

C.特大型

D.互联型

答案

参考答案：C

解答题

用简便方法计算

完形填空

We are warned by our teachers not to waste time because time 26 will never return. I think it quite 27. What does time look 28 ? Nobody knows, and we can’t see it or touch it and no 29 of money can buy it. Time is abstract(抽象的), so we have to 30 about it.
Time passes very quickly. Some students say they don’t have 31 time to review their lessons. It is 32 they don’t know how to make use of their time. They waste it in going to theatres or playing, and 33 other useless things. Why do we study everyday? Why do we work? Why do most people 34 take buses instead of walking? The answer is very 35 .We wish to save time because time is36.
Today we are living in the 21^st century. We 37 time as life. When a person dies, his life ends. Since life is short, we must 38 our time and energy to our study so that we 39 be able to work and live well in the future. Laziness is the 40 of time, for it not only brings us 41 , but also does other 42 to us. If it is necessary for us to do our work today, 43 we do it today and not 44 it until tomorrow. Remember that time is much more 45.

C．interesting

D．would rather

D．interesting