问题
单项选择题
中国古代下列科技成就早于欧洲1000年以上的有（）①地动仪②唐本草的颁布③把圆周率精确到小数点后面七位④活字印刷发明
A.①②
B.③④
C.②④
D.①③
答案
参考答案：D
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中国古代下列科技成就早于欧洲1000年以上的有（）①地动仪②唐本草的颁布③把圆周率精确到小数点后面七位④活字印刷发明
A.①②
B.③④
C.②④
D.①③
参考答案：D
Hello,everyone!__ __John Green. I’m thirteen years old .__ _ is my sister, Kate. She is nine years old. We are___ England. ___ now we are in China. My father is an English____ at a school. My mother is a doctor. __ _works in a hospital. They work very hard(努力). At___I ____ a good friend. His name is Lin Tao. He is ____too. He is from Shanghai. He is nice to me and I ____him.
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