谈论天气,貌似无关紧要,其实是沟通交流的铺垫方式。

题型:判断题

问题:

谈论天气,貌似无关紧要,其实是沟通交流的铺垫方式。

考点:社交文化知识沟通与协调能力(二)沟通与协调能力(二)题库
题型:判断题

下列实验操作、实验现象及解释与结论都正确的是(  )

选项实验操作实验现象解释与结论
A将乙醇与浓硫酸共热至170℃所得气体通入酸性KMnO4溶液中KMnO4溶液褪色乙醇发生消去反应,气体中含只有乙烯
B淀粉溶液和稀H2SO4混合加热,然后加新制的Cu(OH)2悬浊液加热至沸腾有红色沉淀产生淀粉水解了,且产物有还原性
C向甲苯中滴入少量浓溴水,振荡,静置溶液分层,上层呈橙红色,下层几乎无色甲苯和溴发生取代反应,使溴水褪色
D向蔗糖中加入浓硫酸变黑,放热,体积膨胀,放出刺激性气体浓硫酸具有脱水性和强氧化性,反应中生成C、SO2和CO2

A.A

B.B

C.C

D.D

题型:判断题

简述心肌灌注显像的原理。

题型:判断题

某工厂总生产费用今年比去年上升了50%,产量增加了25%,则单位成本提高了( )。

A.25%

B.50%

C.75%

D.20%

题型:判断题

Dear Amy,

I have a problem and I’m writing ask you 1. ()

for an advice. This is a secret, so l don’t tell anybody else. 2. ()

My cousin and I used to getting along very well and 3. ()

we were good friend. We were planning to spend 4. ()

part of the winter holiday together, but now 5.()

I don’t think I want to invite her home. 6. ()

Recently I has discovered that he’s started to tell 7. ()

lies. When I told him this was wrong to tell lies, 8. ()

but he just laughed at me. The problem is, should I 9. ()

tell his parents or his teacher, or should I keep quietly. 10. ()

第(8)空应选择()

题型:判断题

简述消费需求行为的变化趋势。

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