在裂解气压缩过程中,除去了裂解气中全部的水和重烃。

题型:判断题

问题:

在裂解气压缩过程中,除去了裂解气中全部的水和重烃。

考点:乙烯装置操作工乙烯装置操作工题库
题型:判断题
You want to run across the street to catch the bus which is leaving soon? But   1 ! You’d better not. If a policeman sees you, you’ll have to pay a fine (罚款).
New traffic laws (交通法) say that  2  people cross the street when the light is red, they can be fined as much as 50 yuan.
Traffic accidents   3  more than 104,000 people in China last year. Chinese cities have   4  cars than ever. Drivers and pedestrians (行人) must work together to make the streets   5 .
The law has new rules for drivers and pedestrians. Drivers have to   6  down when they are close to crosswalks. If people are in a crosswalk, cars must   7  to let them pass.
There are   8  for bus drivers, too. If bus drivers smoke, drink or make phone calls   9  driving, they can be fined. Buses that carry too many people are   10  against(违反)the law.
Pedestrians will have to walk more safely under the new law. They must cross streets at crosswalks. Also, they shouldn’t climb over the fences (栅栏)   11  streets.
Do you ride a bike to school? It’s not a good idea to   12  classmates on the back. You could be fined 50 yuan. And stay in the bike lane (慢车道) when you’re riding. The big roads are   13  cars and buses.
If you see a hit-and –run (肇事逃逸), tell the police. They may give you a reward (奖赏). And don’t be   14  to help people to the hospital if they are hurt in an accident. Don’t worry about money. The new law says that   15  must take care of them even if they can’t pay right away.
小题1:
A.hurryB.lookC.waitD.listen
小题2:
A.ifB.whenC.soD.though
小题3:
A.didB.killedC.diedD.ran
小题4:
A.fewerB.moreC.lessD.larger
小题5:
A.saferB.happierC.lighterD.slower
小题6:
A.slowB.playC.runD.pass
小题7:
A.likeB.goC.turnD.stop
小题8:
A.rulesB.articlesC.lettersD.exercises
小题9:
A.ifB.whileC.becauseD.as
小题10:
A.alsoB.sometimesC.neverD.often
小题11:
A.throughB.acrossC.intoD.along
小题12:
A.carryB.takeC.bringD.move
小题13:
A.inB.onC.forD.at
小题14:
A.happyB.afraidC.sadD.great
小题15:
A.policemenB.doctorsC.teachersD.farmers
题型:判断题

重庆天原化工总厂的氯气贮罐发生泄漏,严重影响了附近群众的生命安全。下列有关安全措施中不正确的是

A.可用毛巾蘸取石灰水捂嘴

B.在氯气泄漏的地区人应站在高处

C.向氯气中喷洒水

D.将泄漏的氯气在空气中点燃除去

题型:判断题

呼吸道不仅仅是气体的通道,它同时对气体还有______、______和______的作用.

题型:判断题

未来的理想能源要能够大规模替代常规能源,它必须满足以下哪几个条件?    [ ]

A.必须足够丰富,可以保证长期使用,必须足够便宜,可以保证多数人用得起 

B.相关的技术须成熟,可以保证大规模的使用  

C.必须足够安全和清洁,可以保证不会严重影响环境  

D.以上3 个条件都必须满足

题型:判断题

下列程序的运行结果为______。
#include <iostream.h>
void main(void)

int i=10;
switch(i)
case 9:i=i+1;
case 10:i=i+1;
case 11:i=i+1;
default:i=i+1;

cout<<i<<endl;

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