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外研2003课标版《Reading and vocabulary》优质课PPT课件下载
Words and expressions
1.The remains were ……three teeth .
2.These discoveries proved the existence of a
human species who lived in the area between
700,000 and 200,000 years ago .
remain v. 留下，仍然
exist v 存在
Words and expressions
3.They also made tools of bones and sharpened
stones .
sharp adj 锋利的
4.Parts of the cave have been badly affected
by rain and exposure to the air .
expose v 暴露 显露
Words and expressions
5.Pollution from nearby cement factories has
also contributed to the problem .
contribution c.n 奉献 贡献
6.The Chinese Academy of Sciences is trying
to raise pubic awareness about it .
aware adj 有意识的
Words and expressions
7.A professor at the Academy has proposed
that a fund be established to raise money .
proposal. n 提议， 建议