Waste can be seen everywhere in school .Some students ask for more food than they can eat and others often forget to turn off the lights when they leave the classroom .They say they can afford these things .But I don't （1）______ ______ them.

    Waste can bring a lot of problems .Although China is rich in some resources（资源）, we are short of others , for example , fresh water . It is reported that we will have no coal or oil to use in 100 years .So if we go on wasting our resources ,what can we use in the future and where can we  move? （2） I think we should say no to those students who waste things every day. Everybody should stop wasting as soon as possible.

（3）在我们的日常生活中，我们应该采取措施去阻止浪费的发生。For example，turn off the water taps when we finish washing，turn off the lights when we leave the classroom, try not to order more food  than we need ,and so on .Little by little, Every thing will be changed .Waste can be stopped one day if we do our best.

1．在（1）的空白处分别填入一个恰当的词，使句意完整、上下文通顺。

___________ _____________

2．将（2）的句子译成中文。   

________________________________________________________________________

3．将（3）句译成英文：_____________________________________________________

4．在文中找出与Some other Students often keep the lights on for a long time when nobody is in the classroom，意思相近的句子。

__________________________________________________________________________

补全对话

A．It's polite to leave at least half an hour after the meal．

　　B．You are supposed to leave at once．

　　C．What are you nervous about?

　　D．you are supposed to stay for the whole evening．

　　E．It's impolite to arrive late．

　　F．You stay for an hour．

　　(Lin Tao要去英国做交换生，她向笔友Alice了解英国礼仪。L=Lin Tao；A=Alice)

　　L：Hi，Alice.I'm going to England as an exchange student．

　　A：Great!

　　L：But I'm a little nervous．

　　A：1

　　L：Well．I don't know much about the customs and manners in England．Could you help me?

　　A：Hmm，Let me see．They think it's important to be on time when you're invited to lunch，dinner or supper．2 As it is usually planned to have the meal at the exact hour given in the invitation．

　　L：Then how long may I stay there?

　　A：3 Otherwise it seems you have come only for the meal．An evening dinner invitation usually meals that 4 The hostess often plans some after-dinner entertainments.

When I had something difficult to do, I used to(过去常常) ask my mother for help. But she always said, “Do it yourself, dear.” I was not 41_______ at all. I thought she was the 42________ mother in the world!

For example, one day, I decided to 43_________ some friends to my home. My bedroom was not in order. Books were everywhere. And I didn’t make the bed. I asked my 44_______ to help me clean it, 45_______ she still said, “Do it yourself, girl.”

Because of my “lazy mother”, I have to 46________ my clothes and clean my room. I have to help my parents 47_________, I even have to go to the dentist(牙医) by myself. It is really hard for me to do everything well, but I have learned 48________.

As time goes by, I understand my mother. She makes me clever and diligent(勤奋的). 49______ a great mother!

A 50_______ mother is worth(等值于) one hundred teachers! Don’t you think so?

41. A. old            B. happy           C. thin

42. A. tallest          B. most foolish      C. laziest

43. A. leave          B. invite            C. visit

44. A. mother        B. father            C. brother

45. A. or            B. when            C. but

46. A. wash          B. lead             C. knock

47. A. do housework  B. go swimming      C. go camping

48. A. on            B. by mistake        C. a lot

49. A . Which        B. What            C. Who

50. A. young         B. good            C. happy