【单选题】
锌电解新液成分中, Fe一般控制范围是___g/L。
A. Fe≤0.002
B. Fe≤0.02
C. Fe≤0.0002
D. Fe≤0.03
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
B
解析
暂无解析
相关试题
【单选题】
下列关于敬业精神的说法不正确的是___。
A. 在职业活动中,敬业是人们对从业人员的最根本、最核心的要求
B. 敬业是职业活动的灵魂,是从业人员的安身立命之本
C. 敬业是一个人做好工作、取得事业成功的保证
D. 对从业人员来说,敬业一般意味着将会失去很多工作和生活的乐趣
【单选题】
以下关于“爱岗”与“敬业”之间关系的说法中,正确的是___。
A. 虽然“爱岗”与“敬业”并非截然对立,却是难以融合的
B. “敬业”存在心中不必体现在“爱岗”上
C. “爱岗”与“敬业”在职场生活中是辩证统一的
D. “爱岗”不一定要“敬业”,因为“敬业”是精神需求
【单选题】
敬业是一种对待自己职业的应有态度,它的核心要求是___
A. 对待工作可以应付了事
B. 对待工作勤奋努力,精益求精
C. 努力工作只为挣钱养家
D. 认真工作是为了受到领导、群众的好评
【单选题】
一旦发现有人晕倒在有限或密闭容器内,下面最适合的急救方法是___。
A. 第一时间跳下去,把中毒者背上来
B. 腰间系上绳子,第一时间跳下去,把中毒者拉上来
C. 佩戴防毒面具或空气呼吸器,在有人监护的情况下施救
推荐试题
【单选题】
With increased taxation and rising prices, I am going to have to __________ on quite a lot of things – clothes, records and so on.___
A. cut off
B. cut in
C. cut out
D. cut down
【单选题】
There is very ___ hope that she will pass the exam.___
A. few
B. small
C. much
D. little
【单选题】
I am not sure whether we can give the right advice _____emergency.___
A. on account of
B. in case of
C. at the risk of
D. in spite of
【单选题】
In their letter to the students’ representative assembly, the freshmen insisted on __________ in the Student Union.___
A. represented
B. being represented
C. having represented
D. have been represented
【单选题】
Nobody noticed the thief slip into the house because the lights happened to _____.___
A. be put up
B. give in
C. be turned on
D. go out
【单选题】
----- John, may I ask you a favour? ----- _________
A. I’m sorry, but why?
B. Sure,what is it?
C. Yes,you could.
D. I’d love to,and I’m busy.
【单选题】
The two thieves fled the town separately, _______ a bag.___
A. each carrying
B. whose that watch is
C. whose watch is that
D. whose watch is
【单选题】
Her heart _____ faster when she entered the exam hall.___
A. jumped
B. sank
C. beat
D. hit
【单选题】
The taxi driver was put in_____prison because his car had knocked down a child.His wife went to_____ prison to see him twice a month.___
A. /; /
B. the; the
C. /; the
D. the; /
【单选题】
----- Where’s John, do you know? ----- Oh, _____to hospital.___
A. he’s taken
B. he’ll be taken
C. he’s been taken
D. he’ll take
【单选题】
It was the wealth of the_____pioneer landowner John Harvard that made Harvard University possible.___
A. precious
B. curious
C. anxious
D. prosperous
【单选题】
----- "Where is your college located, John?" ----- "It is ________."___
A. on the Fifth Avenue
B. on Fifth Avenue
C. in Fifth Avenue
D. at Fifth Avenue
【单选题】
__________ is she in London than she rings up her old friend Mary.___
A. Scarcely
B. Rarely
C. No sooner
D. Hardly
【单选题】
A fireman discovered the __________ of the fire.___
A. truth
B. reason
C. cause
D. fact
【单选题】
he weather __________ us from climbing the mountain.___
A. discharged
B. disguised
C. disturbed
D. discouraged