带式输送机的上股输送带运送货载,称为()。A、工作段 B、输送段 C、以上均不正确

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问题:

带式输送机的上股输送带运送货载,称为()。

A、工作段

B、输送段

C、以上均不正确

D、回空段

考点:输送机司机考试输送机司机考试题库
题型:单项选择题

下列属于银行风险产生的客观因素有( )。

A.经济政策调整

B.中央银行再贷款、贴现率变化

C.对风险缺乏认识和防范准备

D.疏于管理

E.政治体制变革

题型:单项选择题

时间分辨荧光免疫中使用的标记物质是 ()

A.FITC

B.RB200

C.PE

D.HRP

E.Eu

题型:单项选择题

(7分)金属在日常生活中随处可见,铁、铜、铝、锌都是常见金属。

(1)下列用品中,主要应用金属导热性的是           (填序号)。

(2)辩证的研究金属锈蚀问题可以帮助我们更好地利用金属,如图“取暖片”的发热过程就是利用铁生锈的原理。铁生锈的条件是           ,防止自行车生锈的措施有     (写出一种即可)。

(3)为了回收金属资源,从锁具加工厂的废旧黄铜粉末中(含有金属铜、锌),分离和提取出金属铜和ZnSO4溶液,其实验过程如下:

请回答:

(Ⅰ)A是             

(Ⅱ)步骤②的化学反应方程式为             ,其目的是               

(Ⅲ)为达到实验目的,整个实验过程可以简化为                          

题型:单项选择题
After the quake hit northeast Japan on March 11, many moving stories that I saw with my own eyes happened around me.
I had to walk home since all the  41  had stopped after the earthquake. On my way home I  42  an old lady at a bakery shop who was giving out free bread, which made my heart  43 . A man was holding a sign that said, “Please use our  44 .” He was  45  his house for people to go to the restroom.
My friend wanted to  46  others. He stood in the cold with a sign “If you’re okay with a motorcycle, I will  47  you to your house.” And then I saw him take one gentleman home, all the way to a faraway place! 
Then next day I drove to  48  my car with gas. There is a lack (缺乏) of  49  now and many gas stations are either closed or have very  50  lines. I got  51 , since I was behind 15 cars. Finally, when it was my  52 , the man smiled and said, “ 53  this situation, we are only giving $30 worth gas per person. Is that alright?” “ 54 . I’m just glad that we are all able to  55 ,” I said. His smile gave me so much comfort.
I saw a man at the evacuation (疏散) center  56 when people brought food to him. It was the first time in three days that food was brought to their center. However, after he wiped the tears, his next  57  surprised me. “I am very  58  that we are provided with food. But people in the city next to us haven’t  59  any food at all. Please go to that center as well.” And when hearing that, I realized there is a bright future on the other side of this  60 .
小题1:
A.rescueB.lifeC.trafficD.business
小题2:
A.missedB.caughtC.noticedD.heard
小题3:
A.kindB.softC.brokenD.warm
小题4:
A.toiletB.hotelC.hospital D.house
小题5:
A.sellingB.openingC.repairingD.building
小题6:
A.encourageB.changeC.saveD.help
小题7:
A.driveB.followC.lead D.send
小题8:
A.startB.fill C.checkD.wash
小题9:
A.informationB.gasC.foodD.salt
小题10:
A.directB.fine C.long D.thin
小题11:
A.worriedB.lucky C.sadD.angry
小题12:
A.timeB.turn C.dutyD.decision
小题13:
A.Except forB.Together withC.Because ofD.Instead of
小题14:
A.Not at allB.Of courseC.No wayD.Never mind
小题15:
A.shareB.offer C.learnD.choose
小题16:
A.singingB.eatingC.smiling D.crying
小题17:
A.wordsB.rolesC.waysD.promises
小题18:
A.sureB.gratefulC.surprisedD.proud
小题19:
A.boughtB.wastedC.preparedD.received
小题20:
A.disasterB.chanceC.centerD.city
题型:单项选择题

卷绕吸枪吸枪口在正常工作时的压力为()。

A.正压

B.负压

C.吸住丝前为常压

D.吸住丝后为常压

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