当前，我们正在提倡创建“节约型社会”，请阅读并理解电视广告词“If we don’t save water．the last drop of water will be a teardrop．”结合下面提示写一篇80词左右的短文。

    内容提示：

    (1)生活离不开水；

    (2)饮用水(water suitable to drink)的数量在减少；

(3)水污染严重。

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Mars

    Is there life on Mars? We don’t know．We’re sure that people like those on the earth don’t live on Mars．Earth people need oxygen to breathe．There is almost no oxygen on Mars．

    Living on Mars would he like living on a very high mountain．There would be little air. It might be 50 degrees above zero at noon and l00 degrees below zero at night．Many people think there may be plants on Mars．We know that Mars has carbon(碳)．This is a kind of material found in all plants and animals on earth．Through a telescope，Mars looks red．In some places，it seems gray．At times the gray color turns gray—green，then gray again．The gray-green color may be a kind of plant life changing color with the seasons．

  Will men go to Mars one day? If they do，they must take their own oxygen, food and clothing with them．

1．Why can’t people live on Mars? (回答问题)_______________________________

2．Living on Mars would be like living on a very high mountain(改为同义句)

   ________________________________________________________________________

3．The gray．green color may be a kind of plant life changing color with the seasons．(翻译成汉语)这种灰绿色_________________________________________________---

4．They must take their own oxygen，food and clothing with them(改为被动语态)

   Their own oxygen，food，and clothing _________________________________with them．

5．The main idea of the story is that ________________________________on Mars(完成句子)

   Do you know why different animals or pests(害虫)have different colors? The colors are mainly used to protect themselves．

  Some birds like eating locusts(蝗虫)，but birds cannot easily catch them．Why? It is because locusts change their colors together with the change of the colors of the crops. When the crops are green，locusts look green．But as the harvest time comes，locus change to the same brown colors as the crops have．Some pests with different colors from the plants easily found and eaten by others．So they have to hide themselves，appearing only at night．

Some animals move quietly through forests．They cannot be easily seen by hunters(猎人)．This is because they have the colors much like the trees’．

    A kind of fish in the sea can send out a kind of black liquid(液体)when it faces danger．While the liquid spreads over，the fish’s enemies cannot find it．And it immediately swims away．So it has lived up to now though it is not strong at all．

1．From the passage we can learn that locusts________．

    A．are small animals                       B．are easily found by birds

    C．are dangerous for their enemies            D．can’t be easily caught by birds

2．How can pests with different colors from the plants keep out of danger?

    A．They run away quickly．

    B．They have the colors much like their enemies’．

    C．They hide themselves in the daytime and appear at night．

    D．They have to move quietly．

3．Some animals Can keep safe in the forest because________．

    A．they have the colors much like the trees’

    B．they move quietly

    C．they like brown and grey colors

    D．they live in the forest

4．Why can the kind offish in Paragraph4 live up to now(直到现在)?

    A．Because it is very large and strong．

    B．Because the liquid it sends out can help it escape when in danger．

    C．Because the liquid it sends out call kill its enemies．

    D．Because it swims very fast and Call escape very quickly．

5．Which is the best title for this passage?

    A．The Change of Colors．

    B．Colors of Different Animals and Pests．

    C．The Main Use of Colors with Animals and Pests．

    D．Some Animals and Pests．

    When you go to have dinner in a foreigner’s home．please remember the following things：

    At table，when the hostess picks up her napkin，you may pick up yours and put it on your legs．If a servant passes food around，he will pass the dish to you at your left hand so that you can easily serve yourself with your right hand．Never serve yourself when the dish is on your right；it is then the turn of your neighbor on the right．

    Do not reach across the table or in front of someone to get something-that is not polite．Ask him or her to pass it to you．

    There are things in the middle of the table，such as bread，butter and candies．You shouldn’t take any until the hostess tells the servant to pass them to you．

    Do not leave your seat without saying anything．If you need to leave the table to go to the washroom or to do something else，you should say，“Excuse me for a moment，please．”

1．You may pick up your napkin and put it on your legs ________ the hostess picks up hers.

    A．before          B．after      C．and then          D．then

2．Why does a servant pass the dish to you on your left hand?

    A．Because you can easily serve yourself with your left hand．

    B．Because you can easily serve yourself with your right hand．

    C．Because you can’t easily serve yourself with your right hand．

    D．Because a servant likes doing so．

3．When the dish is on your right，you ________ serve yourself．

    A．should          B．can        C．may         D．shouldn’t

4．Which of the following is NOT true?

    A．If the food isn’t near you，you shouldn’t stand up to reach for it.

    B．You may take any food at any time．

    C．When you have to leave your seat，you need to say，“Excuse me for a moment，please．”

    D．The dish is passed to you on your left．

5．The article is mainly talking about________.

    A．the table manners                B．how to behave in public

    C．how to be a polite guest         D．when to serve yourself

    When Mr. David retired (退休) ，he bought a small house in a village near the sea. He liked it and hoped to live a quiet life in it．

    But to his great surprise，many tourists(游客)came to see his house in summer holidays．for it was the most interesting building in the village，From morning to night there were tourists outside the house．They kept looking into the rooms through the windows and many of them even went into Mr. David’s garden．This Was too much for Mr. David. He decided to drive the visitors away．So he put a notice on the window．The notice said：“If you want to satisfy your curiosity(好奇心)，came in and look round．Price(价格)：twenty dollars．” Mr. David was sure that the visitors would stop coming，but he was wrong. More and more visitors come and Mr. David had to spend every day showing them around his house．“I came here to retire，not to work as a guide(导游)．” he said angrily. In the end，he sold the house and moved away．

1．Mr. David’s house was ________ that many tourists came to see it·

    A．so small        B．so quiet                C．so interesting   D. so big

2．Mr. David put a notice on the window in order ________ ·

    A．to drive the visitors away

    B．to satisfy the visitor’s curiosity

    C．to let visitors come in and look round

    D．to get some money out of the visitors

3．The notice made the visitors________.

    A．more interested in his house               B．lost interest in his house

    C．angry at the unfair price         D．feel happy about the price

4．After Mr. David put up the notice ________．

    A．the visitors didn’t come any longer

    B．fewer and fewer visitors came to see his house

    C．more and more tourists came for a visit

    D．no tourist would pay the money for a visit

5．At last he had to sell his house and move away because________．

    A．he did not like it at all

    B．he could not work as a guide

    C．he made enough money and wanted to buy a new expensive house

    D．he could not live a quiet life in it