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搜题
【单选题】
关于萃取塔脉冲系统的说法中不正确的是()。
A.
脉冲系统有两个吸入罐和两个排出罐
B.
在旋转阀的作用下,吸入罐与排出罐轮流与塔相连通
C.
旋转阀只能正转,方向相反则无法形成脉冲
D.
在停机状态,若吸入罐高液位开关动作,则循环泵无法启动
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【多选题】Complete the sentences with words or expressions (Only write down A B C D......)
A.
set aside
B.
compare
C.
estimate
D.
receipt
E.
service
F.
exchange
G.
return
H.
avoid
I.
budget
J.
risk 1.I can not give you money back, but you can________ this shirt for something else. 2.Oh no! I lost the ________. Now I won't be able to prove I bought this. 3.Anna is going to ________ the washing machine she bought. It doesn't work. 4.The ________ in this store is terrible. No one is helping me. 5.You'd be crazy to __________ your money on an investment like that! 6.I like these shoes, but I think I'll go to another shop and __________ the prices. 7.If you want to __________ getting fat, then don't eat so much! 8.They ________ some money to use for a vacation. 9.I ________ that it will cost around $100. 10.Martha made a(n) ________ for her family. It has a list of all the things they can spend money on each week.
【单选题】Oh no! I lost the ______. Now I won't be able to prove I bought this.
A.
receipt
B.
exchange
C.
return
D.
employee
E.
refund
F.
service
G.
policy
【单选题】魏晋南北朝的士大夫流行“清谈”,即不问现实政治,只讨论玄妙哲理,在行为上纵酒、不拘礼节,这股风潮一直持续到唐初。此种历史现象( )
A.
一定程度上阻碍文学艺术发展
B.
体现了佛道思想成为社会主流
C.
实际是儒家思想的积淀与发展
D.
导致社会道德水平的严重下降
【简答题】 精神疾病对社会的影响?
【判断题】消费者的汽车需求可以通过诱导甚至创造,使之成为现实的消费。
A.
正确
B.
错误
【判断题】唐朝南北文风不一样。()
A.
正确
B.
错误
【单选题】要将内阻为Rg的磁电系测量机构的电压量程扩大m倍,则串联的附加电阻的阻值为Rg的倍数是:
A.
m
B.
m+1
C.
m-1
D.
2m
【单选题】《怀沙》一篇为屈原的绝笔之作,那么屈原是怎么投江的?( )
A.
抱着沙袋投江的
B.
背着石头投江的
C.
被别人扔下去的
D.
抱着木头投江的
【判断题】书中的查拉图斯是一个流浪诗人。
A.
正确
B.
错误
【单选题】半导体材料对于光的吸收主要取决于( )。
A.
、禁带宽度
B.
、载流子浓度
C.
、载流子类型
D.
、迁移率
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