泵半抽空有何危害?应怎样处理?

题型:问答题 简答题

问题:

泵半抽空有何危害?应怎样处理?

考点:化工总控工考试化工总控工考试题库
题型:问答题 简答题

法律规定在学校管理机构中必须有家长代表的是( )

A.德国

B.美国

C.法国

D.英国

题型:问答题 简答题

Last Sunday, in my return from a weekend in the country, I took a taxi from Waterloo Station to my home in North London. We hadn’t gone very far  1  we had to stop at one of the many traffic lights. Just as the light was changing to  2 a policeman pulled  3  the door of the taxi, jumped in, shouted to the driver,“   4 that blue car in front. It’s been stolen,” and he sat down on the seat beside me. Then he seemed to see me for the first time for he said quickly but5  ,“Sorry sir, but I’ve got to catch that car.”The taxi driver  6  the speed without saying anything. After a few hundred yards the blue car stopped at  7 traffic light and we drew up8  .The policeman got out, ran round to the driver’s door of the blue car, opened it and  9  the driver out. I couldn’t hear what was said, but after a few minutes the policeman  10  to me and I went up to him. He asked me to help him take the car thief to the nearest  11 .The three of us got into the  12  .We drove off  13 the taxi following. I didn’t like sitting next to the  14  ,who was a young, rather tough-looking man, but I had no  15 .  16  it wasn’t far to the police-station. When we got there the policeman took my name and address, thanked me for my  17  and said I could go. So I got back into my taxi and we drove off again. The taxi-driver said18 that that was the second time in a month he had been  19  to he1p the police, and he  20 it wouldn’t happen again.

1.A.until                      B.because                     C.after                         D.before

2.A.orange                   B.yellow                      C.red                           D.green

3.A.out                        B.up                                   C.open                         D.aside

4.A.Follow                   B.Catch                        C.Knock                      D.Watch

5.A.politely                  B.apologically               C.gently                       D.clearly

6.A.increased                B.kept                          C.slowed                      D.removed

7.A.a                           B.the                            C.another                            D.the other

8.A.off                         B.beside                       C.alongside                   D.away

9.A.brought                  B.tried                         C.pulled                       D.spat

10.A.smiled                 B.came                         C.referred                     D.signed

11.A.car-park                B.police-station       C.traffic-light                D.railway-station

12.A.blue taxi               B.stolen car                  C.passing car                D.first taxi

13.A.with                     B.by                                   C.of                             D.in

14.A.thief                     B.driver                       C.policeman                 D.man

15.A.luck                            B.choice                       C.reason                       D.way

16.A.Finally                 B.Naturally                   C.Fortunately                D.Unfortunately

17.A.deed                     B.action                       C.help                          D.words

18.A.happily                 B.angrily                      C.curiously                   D.proudly

19.A.obliged                 B.seen                          C.begged                      D.allowed

20.A.thought                B.guessed                     C.believed                    D.hoped

题型:问答题 简答题

小肝癌的定位诊断最佳的检查方法是

A.AFP测定
B.肝穿刺针吸细胞检查
C.CT
D.选择性腹腔动脉造影
E.B超

题型:问答题 简答题

可摘局部义齿的不稳定性不包括( )

A.翘起

B.弹跳

C.摆动

D.下沉

E.旋转

题型:问答题 简答题

焊补汽油桶发生爆炸是属于物理爆炸()。

更多题库