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【单选题】
下列化合物被酸性高锰酸钾氧化,能生成酮的是( )
A.
、2-戊炔
B.
1-丁烯
C.
、3-甲基环己烯
D.
3-甲基-2-戊烯
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参考答案：
举一反三
【简答题】补全对话。 A. That's very kind of you. B. I forgot where I had put it. C. You really should read it. D. they are all out. E. I'm afraid I haven't. F. I haven't had it with me. G. I have a copy of my own. A...
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【单选题】恶性肿瘤的三级预防概念,下述正确的是
A.
一级预防指病因预防，是消除或减少可能致癌的因素
B.
二级预防是指改变不良饮食习惯、生活方式
C.
三级预防指早发现、早诊断、早治疗
D.
姑息治疗为二级预防
E.
对症治疗为一级预防
查看完整题目与答案
【单选题】My MP4 player isn't in my bag. Where _____ I have put it? [     ]
A.
can
B.
must
C.
should
D.
would
查看完整题目与答案
【简答题】Read each question and choose the correct answer.(You should fill in a,b,c...) a. Who b. Who are c. Where d. When does e. Where do f. What kind of g. Who’s h. Who do i. When is j. Where are k. What 1....
查看完整题目与答案
【单选题】在曝光过度的情况下,可以通过( )实现调整。
A.
数码减光
B.
数码补光
C.
自动曝光
D.
自动白平衡
查看完整题目与答案
【多选题】肿瘤的三级预防是
A.
病因预防
B.
早发现癌前病变
C.
规范化诊治
D.
康复指导
E.
姑息治疗
查看完整题目与答案
【单选题】关于气蚀对泵的危害,下列说法中不正确的是
A.
噪音和振动加剧
B.
工作性能下降
C.
缩短泵的使用寿命
D.
泵的体积增大
查看完整题目与答案
【单选题】Excuse me, this is almost cold.I can't eat it like this.
A.
Sorry about that, let me heat it up for you. Just two minutes.
B.
Really? No-one else has complained.
C.
I'm sorry. I haven't got time to reheat it.
查看完整题目与答案
【简答题】( ) , it should only take twenty minutes to rearrange my furniture, but I always take hours to think about where everything should go.
查看完整题目与答案
【判断题】天花板安装的点位不需要提前定位。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【简答题】补全对话。 A. That's very kind of you. B. I forgot where I had put it. C. You really should read it. D. they are all out. E. I'm afraid I haven't. F. I haven't had it with me. G. I have a copy of my own. A...
查看完整题目与答案
【单选题】恶性肿瘤的三级预防概念,下述正确的是
A.
一级预防指病因预防，是消除或减少可能致癌的因素
B.
二级预防是指改变不良饮食习惯、生活方式
C.
三级预防指早发现、早诊断、早治疗
D.
姑息治疗为二级预防
E.
对症治疗为一级预防
查看完整题目与答案
【单选题】My MP4 player isn't in my bag. Where _____ I have put it? [     ]
A.
can
B.
must
C.
should
D.
would
查看完整题目与答案
【简答题】Read each question and choose the correct answer.(You should fill in a,b,c...) a. Who b. Who are c. Where d. When does e. Where do f. What kind of g. Who’s h. Who do i. When is j. Where are k. What 1....
查看完整题目与答案
【单选题】在曝光过度的情况下,可以通过( )实现调整。
A.
数码减光
B.
数码补光
C.
自动曝光
D.
自动白平衡
查看完整题目与答案
【多选题】肿瘤的三级预防是
A.
病因预防
B.
早发现癌前病变
C.
规范化诊治
D.
康复指导
E.
姑息治疗
查看完整题目与答案
【单选题】关于气蚀对泵的危害,下列说法中不正确的是
A.
噪音和振动加剧
B.
工作性能下降
C.
缩短泵的使用寿命
D.
泵的体积增大
查看完整题目与答案
【单选题】Excuse me, this is almost cold.I can't eat it like this.
A.
Sorry about that, let me heat it up for you. Just two minutes.
B.
Really? No-one else has complained.
C.
I'm sorry. I haven't got time to reheat it.
查看完整题目与答案
【简答题】( ) , it should only take twenty minutes to rearrange my furniture, but I always take hours to think about where everything should go.
查看完整题目与答案
【判断题】天花板安装的点位不需要提前定位。
A.
正确
B.
错误
查看完整题目与答案
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