问题
单项选择题
西汉太中大夫东方朔撰文上呈汉武帝，所用竹简需两人抬进宫。以后改变携书不便现象首先得益于发明了（）
A.造纸技术
B.雕版印刷
C.制墨技术
D.活字印刷
答案
参考答案：A
解析：分析题干，给出了汉武帝时书写材料是竹简，携带很不方便的事实，实际上是考查造纸术的发明及其重大影响，造纸术发明后，纸质书籍轻巧灵便，易于携带，所以答案为A。
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西汉太中大夫东方朔撰文上呈汉武帝，所用竹简需两人抬进宫。以后改变携书不便现象首先得益于发明了（）
A.造纸技术
B.雕版印刷
C.制墨技术
D.活字印刷
参考答案：A
解析：分析题干，给出了汉武帝时书写材料是竹简，携带很不方便的事实，实际上是考查造纸术的发明及其重大影响，造纸术发明后，纸质书籍轻巧灵便，易于携带，所以答案为A。
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| Food is very important. Everyone needs to _36_ _well if he/she wants to have a strong body. Our minds also need a kind of food. This kind of food is__ 37 __.We begin to get a knowledge even when we are very young. Small children are __38__ in everything around them. They learn __39 __while they are watching and listening. When they are getting older, they begin to ___ 40__ story books, science books…anything they like. When they find something new, they have to ask questions and__41___ to find out the answers. What is the best ___42___to get knowledge? If we learn___43___ourselves, we will get the most knowledge, If we are__44___getting answers from others and don’t ask why, we will never learn more and understand___45_. | ||||
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