根据括号中所给提示完成下列句子.

1．对外国游客而言，长城值得参观.(be worth doing)

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2．新机场将有益于这个地区的发展.(benefit)

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3．京剧，我们的国宝，起源于清朝.(date back to)

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4．Mr.Smith鼓励我们参加即将到来的英语演讲比赛.(participate in)

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5．关注阅读很重要，因为它能扩大词汇量和增加知识.(focus on)

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答案

1．For foreign tourists, the Great Wall is worth visiting.

2．The new airport will benefit the development of this area.

3．Beijing Opera, our national treasure, dates back to the Qing Dynasty.

4．Mr. Smith encouraged us to participate in the coming English speech contest.

5．It is important to focus on reading because it can enlarge vocabulary and increase knowledge.

【解析】

1．考查形容词短语和主动表达被动。分析句子可知，本句为一般现在时，主语为the Great Wall，谓语为 is worth visiting，be worth doing“值得做某事”主动形式表达被动的含义。故翻译为：For foreign tourists, the Great Wall is worth visiting。

2．考查动词和一般将来时。分析句子可知，本句为一般将来时，主语为The new airport ，谓语为benefit“使受益”为及物动词后接he development of this area作宾语。故翻译为：The new airport will benefit the development of this area。

3．考查动词短语和一般现在时。分析句子可知，本句为一般现在时，主语为Beijing Opera，谓语为date back to“追溯于”。再根据其它汉语提示。故翻译为：Beijing Opera, our national treasure, dates back to the Qing Dynasty。

4．考查动词短语和一般过去时。分析句子可知，本句为一般现在时，主语为Mr. Smith ，谓语为encouraged，encourage us to do sth“鼓励某人做某事”为固定短语，后接to participate in“参加”作宾语补足语。再根据其它汉语提示。故翻译为：Mr. Smith encouraged us to participate in the coming English speech contest。

5．考查动词短语和原因状语从句。分析句子可知，本句为because引导的原因状语从句，主句为“It is important to do sth ”。focus on“集中”。从句的主语为it，谓语为enlarge和increase。再根据其它汉语提示。故翻译为： It is important to focus on reading because it can enlarge vocabulary and increase knowledge。