一般情况下吸收剂用量为最小用量的()倍。A、2 B、1.1~2.0 C、1.1 D、

题型:单项选择题

问题:

一般情况下吸收剂用量为最小用量的()倍。

A、2

B、1.1~2.0

C、1.1

D、1.5~2.0

考点:化工总控工考试化工总控工中级化工总控工中级题库
题型:单项选择题

Canada is far ______________ China. [ ]

A. to

B. from

C. /

题型:单项选择题

公差不为零的等差数列{an}的前n项和为Sn.若a4是a3与a7的等比中项,S8=32,则S10等于 [ ]

A.18

B.24

C.60

D.90

题型:单项选择题
用方框中词的正确形式填空 。
        drive;enjoy;lie;send;listen;late;wait;buy;sleep;really
1. Thank you for____me the nice present.
2. She enjoys____to music.
3. Mr. Smith is a driver. He____very carefully.
4. Daming is listening to the radio and____in the sun.
5.I hope you will have a good time,and see you____.
6. Look! Ann is____for some postcards.
7.-1 am standing on the Great Wall and talking to you.
  -         
8. It's 9:30 p.m.It's time to____.
9. My mother often _presents for my grandmother.
10. There is a boy _for you at the school gate(大门).
题型:单项选择题

当发现有人触电时,首先要()电源或用绝缘材料将带电体从触电者身上分离开。

A、闭合

B、切断

C、开关

题型:单项选择题

CIP保险的优点是()。

A.以最优的价格提供最佳的保障范围

B.能实施有效的风险管理

C.降低赔付率,进而降低保险费率

D.避免诉讼

E.避免索赔

更多题库