四、阅读理解。 根据短文内容，选择正确答案。
Amy and Sarah are good friends. They are from Canada. They like fall in Canada because the sky is very blue. The leaves are colourful. They can play sports and have a picnic with many friends. There are two festivals（节日）in fall. They're Halloween and Thanksgiving. Amy and Sarah are very happy. But they're in Beijing now. They like fall in Beijing, too. It's beautiful. It's windy and cool. They're going to visit the Great Wall, so they're happy.
()1. Amy and Sarah are in now.
A. Canada B. America C. China
()2. The sky is very in fall in Canada.
A. white B. black C. blue
()3. What are they going to do?
A. They are going to visit the Great Wall.
B. They are going to visit the Palace Museum.
C. They are going to swim.
()4. They can with many friends.
A. play sports B. have a picnic C. A and B
()5. Are Amy and Sarah good friends?
A. Yes, they are. B. No, they aren't. C. Yes, she is.

1.C 2.C 3.A 4.C 5.A

1. 根据短文“But they're in Beijing now.”可知Amy和Sarah现在在北京，北京属于中国，选C；2. 根据短文“They like fall in Canada because the sky is very blue.”可知加拿大秋天的天空很蓝，选C；3. 根据短文“They're going to visit the Great Wall”可知她们要去参观长城，选A；4. 根据短文“They can play sports and have a picnic with many friends.”可知她们可以和朋友们做运动和野餐，选C；5. 根据短文第一句“Amy and Sarah are good friends.”可知她们是好朋友，主语是复数，回答用they，选A。