变电所通常按其()来分类,如500kV变电所,220kV变电所等。A、最高一级电压B

题型:单项选择题

问题:

变电所通常按其()来分类,如500kV变电所,220kV变电所等。

A、最高一级电压

B、平均电压

C、最低一级电压

D、中间电压

考点:电工进网证考试电工进网证(高压类)电工进网证(高压类)题库
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关于股指期货与商品期货的区别描述正确的是()。

A.股指期货交割更困难

B.股指期货逼仓较易发生

C.股指期货的持仓成本不包括储存费用

D.股指期货的风险高于商品期货的风险

题型:单项选择题

Ⅱ期临床试验需要多中心试验,即进行试验的医院的数目必须是()

A.在1个及1个以上

B.在2个及2个以上

C.在3个及3个以上

D.在4个及4个以上

E.在5个及5个以上

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Reportedly yesterday a group of American soldiers were walking along the road in Irap when a bomb was ______ .

A.set out

B.set about

C.set off

D.set up

题型:单项选择题

国家是维护( )的暴力组织。

A.统治阶级利益

B.被统治阶级利益

C.剥削阶级利益

D.人民群众利益

题型:单项选择题

Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.
About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time! With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.

The underlined word "rainbow" in the sixth paragraph refers to______.

A.the rainbow in the sky

B.the stripes on the pavement

C.something imaginative and fun

D.important lessons learned in childhood

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