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【单选题】
2-甲基-1,3-丁二烯与溴的加成反应产物A.
2-甲基-1,4-二溴-2-丁烯
B.
3-甲基-3,4-二溴-1-丁烯
C.
2-甲基-1,4-二溴-2-丁烯和3-甲基-3,4-二溴-1-丁烯
D.
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举一反三
【简答题】I tried to relax because I knew I would use up my oxygen sooner ________. A) the more excited I got B) I got excited more C) and more I got excited D) and I got more excited
【简答题】在学生的基本技能的训练中,如何正确的处理口算和笔算的关系?
【简答题】I tried to relax because I know the more excited I got____________(氧气用完得就越快).
【简答题】I tried to relax because I knew I would use up my oxygen sooner____________(我越是激动).
【单选题】I tried to relax because I knew I would use up my oxygen sooner ________.
A.
The more excited i got
B.
I got excited more
C.
And more i got excited
D.
And i got more excited
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