【判断题】【消耗次数：1】
板式塔内气液相接触越充分、混合越剧烈越有利于传质、传热，因此在操作过程中气速越大越好。（ ）
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
下列挖掘机使用操作过程中做法错误的是（）
①
A在操作中，进铲不应过深，提斗不宜过猛。一次挖土高度不能高于4m
②
B挖掘机动臂转动范围，应控制在30°~45°倾斜角控制在45°~60°
③
C挖掘机走行上坡时，履带主动轮应在后面，下坡时履带主动轮在前面，动臂在后面，大臂与履带平行
④
D在工作面转动时，应选取平整地面并排除通道内的障碍物；在松软地面移动时，须在行走装置下垫方木
【单选题】
测定维生素C注射液的含量时，在操作过程中要加入丙酮，这是为了
①
保持维生素C的稳定
②
增加维生素C的溶解度
③
使反应完全
④
加快反应速度
⑤
消除注射液中抗氧剂的干扰
随机题目
【单选题】
She often says her greatest happiness _____serving the handicapped children.
①
relies on
②
consists in
③
composes of
④
comprises in
【单选题】
_____ me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.
①
That amazed
②
It amazed
③
Which amazed
④
What amazed
【单选题】
We will be losing money this year unless new economic plan of yours _____miracle
①
is working
②
works
③
will be working
④
worked
【单选题】
If you have never planted anything, you won’t be able to know the pleasure of watching the thing you have planted _____.
①
grow
②
to grow
③
growing
④
to be growing
【单选题】
Following are comments about the behavior that people in Korea usually expect in various social _____.
①
occasions
②
cases
③
situations
④
circumstances
【单选题】
The elbows on your coat have worn thin, so I must _____them.
①
mend
②
patch
③
repair
④
pitch
【单选题】
Mac’s close _____to his brother made people mistake them for one another.
①
resemblance
②
identity
③
appearance
④
relationship
【单选题】
The thieves _____the waste paper all over the room while they were searching for the diamond ring.
①
spread
②
scratched
③
scattered
④
burned
【单选题】
George was introduced to _____activities at a young age, when she was hired to act as a lookout for drug-dealers.
①
illegal
②
lawful
③
faithful
④
peaceful