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　　人教版必修三 Unit 1 Festivals around the world
　　3. Grammar： 情态动词
　　一、根据句意填入恰当的情态动词
　　1．He ________have arrived，but he was delayed because of the heavy fog.
　　他本该到了，但是由于大雾他被耽搁了。
　　2．The boy________ go home now. Don't worry.
　　这个男孩现在一定是回家了。不要担心。
　　3．________ I let him in，Madam?
　　夫人，让他进来吗？
　　4．—May I use your computer?
　　——我可以用你的电脑吗？
　　—No，you ________.
　　——不，绝对不行。
　　5．Mary________ play the violin when she was five.
　　玛丽五岁时就会拉小提琴了。
　　6．I hope the weather ________ be fine and you________ have a good time.
　　我希望天气会好转，你也玩得开心。
　　7．That girl ________ be Alice because she's in hospital.
　　那个女孩不可能是艾丽斯，因为她住院了。
　　8．She ________ turn to me when she was in trouble.
　　处于困境时，她常常来求助于我。
　　9．If someone had attempted to save him，he ________ not have drowned.
　　如果有人试图去救他，或许他就不会溺死。
　　10. ________I use your pen, for mine has been left at home.
　　我可以使用你的钢笔吗？我的被忘记在家里了。
　　二、阅读理解
　　A
　　It seems that no one can live a happy life without friendship. While a great number of people expect others to be their friends, they don’t give friendship back. That is why some friendships don’t last long. To have a friend, you must learn to be one. You must learn to treat your friend the way you want your friend to treat you. Learning to be a good friend means learning three rules: be honest; be generous; be understanding.
　　Honesty is where a good friendship starts. Friends must be able to trust one another. If you do not tell the truth, people usually find out. If a friend finds out that you haven’t been honest, you may lose your friend’s trust. Good friends always depend on one another to speak and act honestly.
　　Generosity means sharing and sharing makes a friendship grow. You do not have to give your lunch money or your clothes. Naturally you will want to share your ideas and feelings. These can be very valuable to a friend. They tell your friend what is important to you. By sharing them, you help your friend know better.
　　Sooner or later everyone needs understanding and help with each other. Something may go wrong at school. Talking about the problem can make it easier to solve. Turning to a friend can be a first step in solving the problem. So to be a friend you must listen and understand. You must try to put yourself in your friend’s place so that you can understand the problem better.
　　No two friendships are exactly alit all true friendships have three things in common. If you plan to r friends, you must practice honesty, generosity and understanding.
　　11． Some friendships don’t last long because ________.