It’s not always easy to travel in Costa Rica.
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In June, the west coast is mostly dry and hot.
A. 对
B. 错
The most popular time to visit Costa Rica is December.
A. 对
B. 错
wordcloud函数中的background_color参数用来设置词云图的背景颜色
A. 对
B. 错
wordcloud 是制作词云图最常用的工具
A. 对
B. 错
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