问题
问答题 简答题
世界上最早从海水中提取镁砂的是哪个国家?
答案
参考答案:法国1885年最早从海水中提取镁砂,当时由于没有天然镁砂,就在南部海岸建起了世界第一座海水提镁厂,利用地中海的海水提取镁砂。
世界上最早从海水中提取镁砂的是哪个国家?
参考答案:法国1885年最早从海水中提取镁砂,当时由于没有天然镁砂,就在南部海岸建起了世界第一座海水提镁厂,利用地中海的海水提取镁砂。
完形填空。 | |||
I live in Beijing. I think Beijing Opera is very 1 . I often go to see it. Young people 2 go to movies on 3 . But I stay at 4 and listen to Beijing Opera or 5 its video cassette. I 6 I will learn a lot of useful information about 7 history. For the 8 reason, I 9 like Chinese history 10 . In a word,I love China. | |||
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