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- 1I want to catchup on my talking.这句中catch up on 是什么意思?
- 2从中我感受到詹天佑
- 3由于水污染,这里鱼的数量越来越少了.的英文是:
- 4(D)of the four roads will take you to the hospital.
- 5将一瓶80g 10%的NaCl溶液分为2等份,每份溶液中溶质的质量分数为_;若将其中的一份溶液中溶质的质量分数减小一半,应加水_g,若将另一份溶液中溶质的质量分数增大一倍,应加入NaCl_g.
- 6-what do you usually ______ for breakfast?
- 7get it
- 8如何用兆欧表测量三相异步电动机绝缘电阻
- 9修建一项工程,实际投资1200万元,比原计划节省了40%,节省了多少万元.
- 10She always tells her son _____ (be) quite at class.