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【简答题】
(5分)下表是关于有机物A、B的信息： 根据表中信息回答下列问题： （1）A与溴的四氯化碳溶液反应的生成物的名称为 ； 写出在一定条件下，A发生聚合反应生成高分子的化学方程式 。 （2）A的同系物用通式CnHm表示，B的同系物用通式CxHy表示，当CnHm、CxHy分别出现同分异构体时，碳原子数的最小值n = ， x = 。 （3）B具有的性质是 ①无色无味液体   ②有毒    ③不溶于水    ④密度比    ⑤能使酸性KMnO 4 溶液和溴水褪色⑥任何条件下均不与氢气反应   ⑦与溴水混合后液体分层且上层呈橙红色
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【单选题】What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire?
A.
It has a smothering effect on the fire
B.
It requires less water to remove the same amount of heat.
C.
It gives more protection to fire fighting personnel
D.
All of the above
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【单选题】在处理应答中,如果我们需要在参数表中放置XMLHttpRequest对象的什么属性
A.
xhr.responseText
B.
xhr.responseXML
C.
xhr.responseText xhr.requestText
D.
xhr.responseXML xhr.requestXML
查看完整题目与答案
【单选题】进行水中钙、镁离子测定时,锥形瓶中添加试剂的顺序为( )。 1、铬黑T指示剂;2、钙指示剂; 3、pH10缓冲液;4、10%NaOH溶液; 5、20.00ml待测水样;6、50.00ml待测水样;
A.
631
B.
532
C.
642
D.
541
查看完整题目与答案
【单选题】John House has taken a $250,000 mortgage on his house at an interest rate of 6% per year. If the mortgage calls for twenty equal annual payments, what is the amount of each payment?
A.
$21,796.14
B.
$10,500.00
C.
$16,882.43
D.
None of the above
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【多选题】关于党的十八大以来发生的历史性变革,下列说法正确的有()
A.
经济建设取得重大成就，发展理念和发展方式发生深刻变革
B.
全面深化改革取得重大突破，各方面体制机制发生深刻变革
C.
我国社会主要矛盾发生了新变化
D.
人民生活不断改善，社会治理体系发生深刻变革
E.
生态文明建设成效显著，生态环境保护状况发生深刻变革
查看完整题目与答案
【单选题】Disaster plc's trial balance shows trade receivables of £50,000. However, no adjustment has been made for the following items. 1 £3,250 from J Crisis & Sons who have gone into liquidation. The amount ...
A.
£50,500
B.
£50,200
C.
£46,750
D.
£49,250
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【单选题】What is the disadvantage of using a recording device in an interview?
A.
It reduces the chance of misrepresentation .
B.
It helps the reporter ward off the threats of libel .
C.
It means a great amount of work in transcribing .
D.
None of the above
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【单选题】The following conditions exist. An event has occurred which means Booker Co has incurred a present obligation. It is probable that Booker Co will have to pay out cash in order to settle the obligation...
A.
A provision should be created
B.
A contingent liability should be disclosed
C.
A contingent asset should be disclosed
D.
No effect
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【单选题】an amount above what is needed
A.
abuse
B.
surplus
C.
fraction
D.
preside
查看完整题目与答案
【多选题】以下关于十八大以来我国取得的历史性成就的论述正确的有( )。
A.
经济建设取得重大成就
B.
强军兴军开创新局面
C.
全面从严治党成效卓著
D.
人民生活不断改善
查看完整题目与答案
相关题目：
【单选题】What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire?
A.
It has a smothering effect on the fire
B.
It requires less water to remove the same amount of heat.
C.
It gives more protection to fire fighting personnel
D.
All of the above
查看完整题目与答案
【单选题】在处理应答中,如果我们需要在参数表中放置XMLHttpRequest对象的什么属性
A.
xhr.responseText
B.
xhr.responseXML
C.
xhr.responseText xhr.requestText
D.
xhr.responseXML xhr.requestXML
查看完整题目与答案
【单选题】进行水中钙、镁离子测定时,锥形瓶中添加试剂的顺序为( )。 1、铬黑T指示剂;2、钙指示剂; 3、pH10缓冲液;4、10%NaOH溶液; 5、20.00ml待测水样;6、50.00ml待测水样;
A.
631
B.
532
C.
642
D.
541
查看完整题目与答案
【单选题】John House has taken a $250,000 mortgage on his house at an interest rate of 6% per year. If the mortgage calls for twenty equal annual payments, what is the amount of each payment?
A.
$21,796.14
B.
$10,500.00
C.
$16,882.43
D.
None of the above
查看完整题目与答案
【多选题】关于党的十八大以来发生的历史性变革,下列说法正确的有()
A.
经济建设取得重大成就，发展理念和发展方式发生深刻变革
B.
全面深化改革取得重大突破，各方面体制机制发生深刻变革
C.
我国社会主要矛盾发生了新变化
D.
人民生活不断改善，社会治理体系发生深刻变革
E.
生态文明建设成效显著，生态环境保护状况发生深刻变革
查看完整题目与答案
【单选题】Disaster plc's trial balance shows trade receivables of £50,000. However, no adjustment has been made for the following items. 1 £3,250 from J Crisis & Sons who have gone into liquidation. The amount ...
A.
£50,500
B.
£50,200
C.
£46,750
D.
£49,250
查看完整题目与答案
【单选题】What is the disadvantage of using a recording device in an interview?
A.
It reduces the chance of misrepresentation .
B.
It helps the reporter ward off the threats of libel .
C.
It means a great amount of work in transcribing .
D.
None of the above
查看完整题目与答案
【单选题】The following conditions exist. An event has occurred which means Booker Co has incurred a present obligation. It is probable that Booker Co will have to pay out cash in order to settle the obligation...
A.
A provision should be created
B.
A contingent liability should be disclosed
C.
A contingent asset should be disclosed
D.
No effect
查看完整题目与答案
【单选题】an amount above what is needed
A.
abuse
B.
surplus
C.
fraction
D.
preside
查看完整题目与答案
【多选题】以下关于十八大以来我国取得的历史性成就的论述正确的有( )。
A.
经济建设取得重大成就
B.
强军兴军开创新局面
C.
全面从严治党成效卓著
D.
人民生活不断改善
查看完整题目与答案