题目内容：

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（1个或1个以上单词）。

There are five units in Book4. From Unit1, I know that both Jane Goodall and Lin Qiaozhi are great women of achievement. It’s worthwhile 1.(learn) their spirit. When it comes to Yuan Longping, I have known him since I was in primary school. His hobbies are 2. (play) mah-jong, swimming and reading. Thanks 3. his research, the UN has more tools in the battle to rid the world of hunger. From unit3 I can know Charlie Chaplin better. He is really a master of nonverbal humor. His famous character, the little champ, always walked around stiffly 4. (carry) a walking stick. He was the first person 5. (act) the mine. 6. (fortunate), he has passed away（去世）. From Unit1 to Unit3 I know that great people are always leading 7. busy life. The topic in Unit4 is about body language. If we don’t understand the cultural 8.(difference) between different cultures, there will be many misunderstandings. 9. general, studying international customs can certainly help avoid difficulties in today’s world of cultural crossroads. Among the five units, I like unit5 most, from 10. I know a number of theme parks. I dream of having a chance to visit all of them in the future.