更多“由CH3CH2CH2Br→CH3CHBrCH3应采取的方法是”相关的问题
募集设立是指由发起人认购公司应发行股份的一部分，其余部分通过向社会定向募集而设立公司的方式。（）
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按我国着作权法的规定，据文学作品改编而成的电影作品，其着作权属于( )。
A．文学作品作者
B．制片人
C．编剧、导演、摄影者、作词者、作曲者
D．文学作品作者和电影作品编剧
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案例摘要：患儿，女性，12岁。因恶寒，发热，咽痛2天由其母陪同就医。诊断：急性扁桃体炎。给青霉素等治疗。皮试：（-）。注射青霉素后，患儿刚走出医院约10分钟，顿觉心里不适，面色苍白，冷汗如注，母立即抱...青霉素导致过敏性休克的原因是（）
A.青霉素作为抗原，引起过敏反应
B.产生水解酶
C.药物的化学结构发生了改变
D.产生了青霉烯酸和青霉噻唑酸
E.增加了细胞膜的通透性
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防突工在突出矿井从事采掘工作不少于（）年，具备采煤、掘进生产的一般知识。
A . A、2
B . B、3
C . C、4
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A . 强度B . 硬度C . 韧度D . 压力加工性能
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A One day a man saw an old lady standing by her expensive car, clearly in need of help. So he stopped his old truck and got out. Although he was smiling, the old lady was worried. Was he going to hurt her He didn’t look safe. The man could see that she was frightened, so in his friendliest voice he said, "I’m here to help you, Madam. Why don’t you wait in the car where it’s warm By the way, my name is Bryan Anderson. " Bryan quickly fixed the ear and the lady thanked him. Then she asked how much she should pay him. But Bryan wanted no money. He was just giving a hand to someone in trouble. This was normal for him. He said, "If you really want to repay me, next time you see someone in need, help them and think of me. " After saying goodbye, the lady continued down the road until she reached a small cafe where she decided to stop for something to eat. As the pretty waitress took her order, the lady noticed she was nearly eight months pregnant(怀孕) o Although the waitress looked tired she was very kind. As the lady was going to pay the $ 10 bill she remembered Bryan’s words. She paid with a hundred-dollar bill. But when the waitress returned with the change the lady was gone. On the table she saw a small note. There ware tears in her eyes when she read it: "Somebody once helped me the way I’m helping you. If you want to pay me back, continue being kind to others. " Under the note were nine more ＄100 bills. Was the old lady an angel The waitress was so excited that she called her husband to tell him the news. "Bryan Anderson my dear...you’re not going to believe what just happened..."
A.Was the old lady an angel B.Although the waitress looked tired she was very kind. C.Was he giong to hurt her He didn’t look safe. D."Bryan Anderson my dear...you’re not going to believe what just happened..."
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制造商若要说服渠道中间商加入自己的销售渠道，有时要主动吸引中间商，向中间商展示成为自己渠道成员的好处，这些吸引举措主要包括（）。
A.优秀且有盈利潜力的产品
B.广告和促销支持
C.管理支持
D.公平交易和友好合作关系
E.大量的库存产品
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边缘节点部署的具体应用需要注册到每个节点的（）之上。
A.MEAOB.MEPMC.MEPD.ME-IAAS
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漆膜受日光及空气的氧化作用，继（）之后发生粉化现象。
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库存靠经供应方和库存靠近需求方，哪种方式更容易满足客户需求的变化？
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患儿，男性，5岁，要求矫治前牙反牙合。直面型，乳前牙反牙合。乳牙列完整。该患儿前牙反牙合可能与下列哪些因素有关（）
A.父母可能前牙反牙合 B.乳尖牙牙合干扰 C.下颌第二乳磨牙龋坏 D.吮上唇 E.幼时不良人工喂养姿势 F.幼时母乳喂养
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供电企业必须配备用于临时供电的发电车，以加快故障抢修速度，缩短故障处理时间。
A . 正确
B . 错误
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《春天，遂想起》中的核心意象是（）
A.春天
B.母亲
C.祖国
D.江南
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图甲是H2O2酶活性受pH影响的曲线，图乙表示在最适温度下，pH=b时H2O2分解产生的O2量随时间的变化。若该酶促反应过程中改变某一初始条件，以下叙述正确的是（）。
A.温度降低时，e点不移，d点右移
B.H2O2量增加时，e点不移，d点左移
C.pH=c时.e点为0
D.pH=a时，e点下移，d点左移
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