根据短文内容选词填空。

　　Mark Twain was a very famous American writer．He was good at telling 　　1　　 stories to make other people happy．But 　　2　　 somebody played a joke on him．

　　One day, Mark Twain was invited to give a lecture(演讲)in a small town．After the lecture, he met a young man at lunch．He knew that the young man had an uncle who never smiled 　　3　　 laughed．The young man told Mark Twain that 　　4　　 and nothing could make his uncle laugh．

　　“　　5　　 your uncle to my lecture this evening,”said Mark Twain,“I'll tell some interesting stories and I'm 　　6　　 I can make him laugh．”

　　That evening the young man came to Mark Twain's lecture with his uncle．They sat in the first row of the hall．Mark Twain looked at the old man and told some funny(有趣的)stories, which made people in the hall laugh．But there was still no 　　7　　 on the old man's face．Mark Twain told the funniest stories he knew．But the old man still didn't laugh．At last, Mark Twain 　　8　　．He felt very discouraged(失望的)．He was very surprised at the old man．

　　Some days 　　9　　, Mark Twain met a friend and told him about his bad experience in the small town．

　　“Oh,”said his friend,“I know what 　　10　　 to that old man．He has been deaf(聋的)for years．”

1．________　　2．________　　3．________　　4．________　　5．________

6．________　　7．________　　8．________　　9．________　　10．________

任务型完形填空

用方框中所给单词或短语的适当形式填空，使短文通顺、正确连贯，每个单词或短语限用一次。

　　There are many ways to save the environment if you would like．In this passage, you can find some ways．

　　Plant more trees．Choose a right 　　1　　 near your house or workplace．　　2　　 there's any rule stopping you growing trees in that area, go ahead and grow trees．Plant a tree every month and 　　3　　 your friends and classmates to join you．Have more and more trees 　　4　　 and there will come a day when you have green land thanks to your hard work．

　　Walk more and drive less．Choose to walk 　　5　　 drive your car．Walk or ride a bicycle to work if it's not very far．Not only cycling but walking is good exercise．And each time you avoid using your car, you’re doing something 　　6　　 to cut down air pollution．You are saving fuel, saving money and keeping fit as well．

　　Save water．Water is very important for living things．It's 　　7　　 who use and pollute it．The simplest way to save water is turning 　　8　　 water taps after use．When you visit a beach, make sure that you don't throw waste around．Do not pollute rivers 　　9　　 dropping garbage or other waste．Water is so precious, so we 　　10　　 waste or pollute it．