简述泥（页）岩密度法检（监）测地层压力的基本原理。

214小时=______分3125千克=______吨．

下列选项中，属于犯罪未遂的是( )。

A．甲欲杀害乙，自感人单力薄，遂极力请求朋友丙一道前去。丙则劝阻甲不要杀害乙，但未成，遂打电话报案。公安干警火速赶到，将正在赶赴乙家途中的甲抓获

B．周某用猎枪瞄准正在骑马的李某，欲将其打死，枪响后即逃走，结果将马打死，李某负轻伤

C．黄某向检察机关投寄诬告信，捏造马某贪污国家财产5万元的事实，后惧怕承担法律责任，遂在检察机关立案追究前撤回控告

D．刘某夜间潜入某妇女房内企图实施强 * * ，他摸索着往该妇女床前走时不慎踢响地上脸盆。该妇女惊醒后大呼有贼，刘某害怕，迅速逃离

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

     What is your favourite colour? Do you like yellow, orange, red? 1_____. Do you prefer greys and blues?

Then you are probably quiet, shy, and you would rather follow than lead. You tend to be pessimist. At least,

this is what psychologists tell us, and they should know, because they have been seriously studying the

meaning of colour preference, as well as the effect that colours have on human beings. 2_____. If you happen

to love brown, you did so, as soon as you opened your eyes, or at least as soon as you could see clearly. 

     3_____. A yellow room makes most people feel more cheerful and more relaxed than a dark green one;

and a red dress brings warmth and cheer to the saddest winter day. 4_____. A black bridge over the Thames

River, near London, used to be the scene of more suicides (自杀) than any other bridge in the area-until it was

repainted green. The number of suicide attempts immediately fell sharply. Perhaps it would have fallen even

more if the bridge had been done in pink or baby blue. 

     5_____. It is an established fact that factory workers work better, harder, and have fewer accidents when

their machines are painted orange rather than black or grey.

A. On the other hand, black is depressing.

B. They tell us, among other facts, that we do not choose our favourite colour as grow up - we are born with 

    our preference.

C. The rooms are painted in different colours as you like.

D. If you do, you must be an optimist, a leader, an active person who enjoys life, people and excitement.

E. Light and bright colours make people not only happier but more active.

F. Life is like a picture or a poem, full of different colours.

G. Colours do influence our moods-there is no doubt about it

电力机车速度超过（）km/h时禁止使用电气制动。

A.10

B.15

C.20

D.25

代谢性酸中毒时

A．NaHCO₃/H₂CO₃＜20/1，原发性H₂CO₃↑
B．NaHCO₃/H₂CO₃＜20/1，原发性NaHCO₃↓
C．NaHCO₃/H₂CO₃＞20/1，原发性H₂CO₃↑
D．NaHCO₃/H₂CO₃＞20/1，原发性NaHCO₃↓
E．NaHCO₃/H₂CO₃＞20/1，继发性NaHCO₃↓