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【单选题】
主轴工件调质热处理是“淬火+高温回火”,关于工件调质后的后续加工( )。A.
只能磨削
B.
不能磨削
C.
只能铣削
D.
可以车削
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【简答题】患者，男，19岁，诉耳痛，耳灼热感。检查：有耳屏压痛和耳廓牵引痛，外耳道弥漫性充血，肿胀，潮湿。最可能的诊断为A、外耳道疖 B、坏死性外耳道炎 C、急性化脓性中耳炎 D、急性乳突炎 E、急性外耳道炎 以下处理不正确的是A、清洁外耳道，保证局部清洁、干燥和引流通畅 B、保持外耳道处于碱性环境 C、取分泌物作细菌培养和药物敏感试验，选择敏感的抗生素 D、外耳道红肿时，局部敷用鱼石脂甘油或紫色消肿膏纱条...
【简答题】Organic food: Why? 1. Europe is now the biggest market for organic food in the world, expanding by 25 percent a year over the past 10 years. So what is the attraction of organic food for some people? ...
【单选题】Why don't the speakers have any food to eat?
A.
The rain ruined the food.
B.
The restaurant was closed.
C.
Neither of them brought any food.
D.
Someone took their food.
【简答题】Why is imported food often cheaper than the home produced variety?
【简答题】Organic food: Why? 1. Europeis now the biggest market for organic food in the world, expanding by 25percent a year over the past 10 years. So what is the attraction of organicfood for some people? The...
【简答题】4 Exercises 视频中连线题,请完成
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