变压器室运行标准：油浸式应设置满足要求的挡油设施，非封闭式干_爱下问搜题

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问题单项选择题

变压器室运行标准：油浸式应设置满足要求的挡油设施，非封闭式干式应装设固定遮拦；配变外壳之间及与墙壁和门的净距应满足要求；一般采用自然通风，不能满足要求时，应增设机械排风。详见第四章第一节。变压器室的通风窗应采用（）。

A、易燃烧材料；

B、非燃烧材料。

答案

参考答案：B

单项选择题

A central bank can control the money of stock by:Ⅰ. establishing reserve requirements for depository institutions Ⅱ. buying and selling government securities in the open market Ⅲ. setting the interest rate at which it will loan funds to commercial banks and other depository institutions Which of the following is FALSE（）

A. Ⅰ only.

B. Ⅱ only.

C. none.

完形填空

A high school history teacher once told me, "If you make one close friend in school, you will be the most fortunate. A true friend is someone who stays with you for life."_36__ teaches that he was right. Good friendship is just not easily_37__.
It is possible that we simply do not stay in one place long enough for a _38_ friendship to 39   . However, there can be   40   disagreement on the need for each of us to think carefully about the kind of friendship we want.
To most of us, friendships are considered very important, but we need to be clear in our __41_ the kinds of friendship we want. Are they to be close or _42 at arm's length? Do we want to   43 ourselves or do we want to walk on the surface? For some people , many friendships on the surface are __44_ enough-- and that's all right. But on some points, we need to    45  that our expectations are the same as our friends' expectations. The sharing 46  experience   47  our tears as well as our dark dreams is the surest way to deepen friendships. But it   48  be undertaken slowly and carried on only if there are   49  of interest and action in return.
What are some of the _50__ of friendship? The greatest is the attraction to expect too much time or too soon. Deep relationships  51    time. Another "major difficulty" is the selfishness to think one "possesses" the other, including his time and attention. Similarly, friendships   52    actions in return . In   53  words, you must give as much as you take. Finally there is a question of taking care of . Unless you spend   54   time together , talking on the phone, writing letters, doing things together, friendships will die 55  .

A．differences

B．difficulties

B．comfortable