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【简答题】
已知有机物 A、B、C、D、E、F之间的转化关系如图所示。D只含一种官能团，常用做汽车发动机的抗冻剂，E为聚合物，F的相对分子质量为26。根据信息回答下列问题。 已知RCH 2 CH 2 OH RCH=CH 2 （1）写出A、F的结构：A________________ 、 F_____________________ ； （2）写出下列反应的化学方程式及反应类型： B转化为E的反应：_________________________________ ，反应类型_______________ C转化为D的反应：__________________________________ ，反应类型___________________ A+G生成CH 3 COOC 2 H 5 的反应： ________________________，反应类型__________________
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参考答案：
举一反三
【单选题】The word ( ) means 'the right to exclude others from making, using, or selling an invention or products made by an invented process that is granted to an inventor and his or her heirs or assigns for a...
A.
consent
B.
capacity
C.
statute
D.
patent
查看完整题目与答案
【单选题】get sth., esp. an advantage or a pleasant feeling, from sth. 得到,获得(优势或愉快的感受)
A.
take stock of
B.
consult with sb.
C.
on track
D.
derive sth. from sth.
查看完整题目与答案
【单选题】exclude与preclude The bad weather ( ) me from attending the meeting.
A.
precluded
B.
preclud
C.
exclude
D.
excluded
查看完整题目与答案
【单选题】shrink away [from sth./sb.]
A.
move away [from sth./sb. unpleasant]
B.
laugh [at sth./sb.]
C.
pity [sth./sb.]
D.
contract [sth.]
查看完整题目与答案
【单选题】现代电子控制喷射柴油机的优点有1低速时仍保持较高喷油压力2换向迅速3SOx排放低4对燃油的适应性强5最低稳定转速低6排放烟度低。
A.
①②③④⑤
B.
①②③④⑥
C.
①②④⑤⑥
D.
②③④⑤⑥
查看完整题目与答案
【单选题】现代电子控制喷射柴油机的优点有：（）。 Ⅰ.振动轻 Ⅱ.最低稳定转速低 Ⅲ.油耗率低 Ⅳ.排放低 Ⅴ.加速性好 Ⅵ.机械负荷、热负荷小
A.
Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ
B.
Ⅲ、Ⅳ、Ⅴ、Ⅵ
C.
Ⅰ、Ⅲ、Ⅳ
D.
Ⅱ、Ⅲ、Ⅳ、Ⅴ
查看完整题目与答案
【多选题】preclude sb. from doing sth.
A.
prevent sb. from doing sth.
B.
keep sb. from doing sth.
C.
stop sb. from doing sth.
D.
write sb. off
查看完整题目与答案
【单选题】A person can exclude or restrict his liability for personal injury resulting from negligence by express consent.
A.
正确
B.
错误
查看完整题目与答案
【单选题】We have just installed a fan to _____ cooking smalls from the kitchen. eject exclude expel exile
A.
eject
B.
exclude
C.
expel
D.
exile
查看完整题目与答案
【单选题】shrink away [from sth./sb.]
A.
pity [sth./sb.]
B.
move away [from sth./sb. unpleasant]
C.
laugh [at sth./sb.]
查看完整题目与答案
相关题目：
【单选题】The word ( ) means 'the right to exclude others from making, using, or selling an invention or products made by an invented process that is granted to an inventor and his or her heirs or assigns for a...
A.
consent
B.
capacity
C.
statute
D.
patent
查看完整题目与答案
【单选题】get sth., esp. an advantage or a pleasant feeling, from sth. 得到,获得(优势或愉快的感受)
A.
take stock of
B.
consult with sb.
C.
on track
D.
derive sth. from sth.
查看完整题目与答案
【单选题】exclude与preclude The bad weather ( ) me from attending the meeting.
A.
precluded
B.
preclud
C.
exclude
D.
excluded
查看完整题目与答案
【单选题】shrink away [from sth./sb.]
A.
move away [from sth./sb. unpleasant]
B.
laugh [at sth./sb.]
C.
pity [sth./sb.]
D.
contract [sth.]
查看完整题目与答案
【单选题】现代电子控制喷射柴油机的优点有1低速时仍保持较高喷油压力2换向迅速3SOx排放低4对燃油的适应性强5最低稳定转速低6排放烟度低。
A.
①②③④⑤
B.
①②③④⑥
C.
①②④⑤⑥
D.
②③④⑤⑥
查看完整题目与答案
【单选题】现代电子控制喷射柴油机的优点有：（）。 Ⅰ.振动轻 Ⅱ.最低稳定转速低 Ⅲ.油耗率低 Ⅳ.排放低 Ⅴ.加速性好 Ⅵ.机械负荷、热负荷小
A.
Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ
B.
Ⅲ、Ⅳ、Ⅴ、Ⅵ
C.
Ⅰ、Ⅲ、Ⅳ
D.
Ⅱ、Ⅲ、Ⅳ、Ⅴ
查看完整题目与答案
【多选题】preclude sb. from doing sth.
A.
prevent sb. from doing sth.
B.
keep sb. from doing sth.
C.
stop sb. from doing sth.
D.
write sb. off
查看完整题目与答案
【单选题】A person can exclude or restrict his liability for personal injury resulting from negligence by express consent.
A.
正确
B.
错误
查看完整题目与答案
【单选题】We have just installed a fan to _____ cooking smalls from the kitchen. eject exclude expel exile
A.
eject
B.
exclude
C.
expel
D.
exile
查看完整题目与答案
【单选题】shrink away [from sth./sb.]
A.
pity [sth./sb.]
B.
move away [from sth./sb. unpleasant]
C.
laugh [at sth./sb.]
查看完整题目与答案
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