题型分类:结构题
选项分析:
本题是排序题,需要记录老师讲课中的时间节点和事物的发展进度和顺序,根据定位的关键句
So...pretty sure that glasses ...late 1200's, well, ...before the printing press. 对应B选项和D选项的顺序
Now ...invention of the printing press in 1440..., books became readily available and more people ... but the demand for more affordable glasses ...inexpensive glasses ...available to everyone. People ... purchase ...raveling peddler.
对应C选项和A选项的顺序
上一题
Official 8 Con 2下一题
Official 8 Lec 4