7．Faced with so many challenges.Yang Guang.a blind young man.didn't give up, he made great efforts t——青夏教育精英家教网——

7．Faced（face） with so many challenges，Yang Guang，a blind young man，didn't give up； he made great efforts to win success．

6．Our bodies are strengthened by taking exercise．Similarly（similar），our minds are developed by learning．

5．Police are investigating thedisappearance（disappear） of a young woman．

4．替换的，供选择的（v．）alternative．

3．乐观主义的（adj．）optimistic．

2．火山（n．）volcano．

1．饥饿（n．）hunger．

20．荒唐的（adj．）ridiculous．

19．水库（n．）reservoir．

18．悬崖（n．）cliff．

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