完型填空，根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。

Dear Jenny,

　　How's it going? Are you busy with your study these days?

　　I’ve been back at school 　　1　　 nearly four weeks．I'm very glad to tell you that great 　　2　　 have taken place in our school this term．First of all, we’re asked to “clear our plates” when having our meals and say 　　3　　 to wasting．Some of us used to order more than what we could eat．That was a big waste of food．Now we need to 　　4　　 the food we order．We should also stop wasting in some other ways．For example, we should turn off the lights when we 　　5　　 the classroom．And our school has opened up some fields for us to learn how to grow vegetables．Each class is given a small garden and our class has decided to grow some tomatoes and beans(豆类)in our 　　6　　 time．I think that'll be very interesting．Maybe I'll be able to 　　7　　 you some beans we’ve grown by ourselves next time! What's more, we have only two classes in the afternoon 　　8　　 we have more time for after-school activities．I'm one of the traffic safety volunteers in our school．After school, we take turns to go to the streets near our school and ask people to 　　9　　 the traffic rules．

　　I think we are having a different school life now!

　　Please write back soon and tell 　　10　　 more about your school．

Yours,

Wang Wei

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完型填空

　　Many animals use some kinds of“ language ”．They use signals(信号)and the signals have meanings(意义)．

　　For example, when a bee has found some food, it goes 　　1　　 its home．It is 　　2　　 for a bee to tell 　　3　　 bees where the food is by speaking to 　　4　　, but it can do a little dancing, This tells the’－bees where the food is and 　　5　　 it is．

　　Some animals show how they feel by making sounds．It is not difficult to tell if a dog is angry 　　6　　 it barks(吠)．

　　Birds make several different sounds and 　　7　　 has its own meaning．Sometimes we humans(人类)make sounds 　　8　　．We make sounds like “Oh!” or “Oueh!” to show how we feel about something or when we 　　9　　 something on our feet．

　　We have languages．We have words．These words have the meanings of things, action(行动)，feeling or ideas．We are able to give each other information(信息)，writing down words．We can 　　10　　 what has happened or send messages to people far away．

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