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【判断题】
甲醇、醇和丙三醇中,只有丙三醇能用新制的氢氧化铜溶液鉴别。( )A.
正确
B.
错误
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【简答题】( )是砌体中相邻块体间无砌筑砂浆,又彼此接触的水平缝或竖向缝。
【简答题】用1∶50绘图时,图上线段长度为66mm实际尺寸为______mm。
【简答题】Suppose you are a professor, and your student Gloria has applied for a part-time job. Write her a recommendation to 1) introduce her, and 2) recommend her. You should write about 100 words. Do not use...
【简答题】砌体中相邻块体间无砌筑砂浆，又彼此接触的水平缝或竖向缝为（）
【简答题】用1∶50绘图时,图上线段长度为66mm实际尺寸为______mm。
【简答题】实际尺寸为 240mm的线段,用1∶50绘图时,图样上的线段长度为 mm。
【简答题】For this part, you are allowed 30 minutes to write a letter. Suppose you are Wang Lin. Write a letter to your friend Liu Qiang. You should write at least 120 words according to the situation given bel...
【简答题】Suppose last weekend you went to Brians home and enjoyed hospitality from his family. Write him a letter to 1) thank him, and 2) invite him to your home. You should write about 100 words. Do not use y...
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