Paragraph 4()
Paragraph④_____
Paragraph⑥_____
Paragraph⑦_____
In the twentieth century, soot________
If snow and ice covered areas begin melting, ________
Paragraph 4()
本段出现的关键词有:教育、教师、学生、大学以及高等教育等,因而很容易找到关键信息。
多做几道
Paragraph④_____
Paragraph⑥_____
Paragraph⑦_____
In the twentieth century, soot________
If snow and ice covered areas begin melting, ________
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