49－28＋18=____

在综合实践活动中，有的同学怕耽误学习，对自己份内的工作敷衍了事，导致活动效果大打折扣。这说明合作需要（    ）

请根据提示信息列举相应的历史人物。
（1）他被誉为“旧时代最后一位诗人，同时也是新时代的最初一位诗人”，他是——____ 
（2）他是英国文艺复兴时期的文学巨匠，他的作品直到今天仍然享誉世界，他是——____ 
（3）他被誉为“美洲大陆的发现者”，他是——____ 
（4）法国凯旋门记录了他的战功，法兰西帝国以他的名字命名，他是——____ 

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Yangshuo, China

                It was raining lightly when I____(arrive) in Yangshuo just before dawn. But I didn't care. A few hours____, I'd been at home in Hong Kong, with ____ (it) choking smog. Here, the air was clean and fresh, even with the rain.

              I'd skipped nearby Guilin, a dream place for tourists seeking the limestone mountain tops and dark waters of the Li River____are pictured by artists in so many Chinese____ (painting). Instead, I'd headed straight for Yangshuo. For those who fly to Guilin, it's only an hour away____car and offers all the scenery of the better-known city.

             Yangshuo____ (be) really beautiful. A study of travelers ____ (conduct) by the website TripAdvisor names Yangshuo as one of the top 10 destinations in the world. And the town is fast becoming a popular weekend destination for people in Asia. Abercrombie & Kent, a travel company in Hong Kong, says it____  (regular) arranges quick getaways here for people ____ (live) in Shanghai and Hong Kong.