Question

今天的火星是地球的前車之鑒，請根據以下要點寫一篇短文，內容要點如下：
絕大多數科學家相信在火星上條件非常艱巨，沒有生命;
但也有些科學家證明火星上曾經有過水和生命；
地球正在變得越來越來擁擠，污染越來越嚴重；
如此下去，地球將不適合人類居住了；
我們應該……（保護地球的做法）
注意：
1、短文要連貫通順，語法正確，不要逐字翻譯；
2、第5點用一、兩句話展開合理的想象；
3、詞數80左右。
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Answer 1

Most scientists believe that the conditions on Mars are very tough and there’s non life on it. But some scientists have proved that there was once water and life on Mars. Now the earth is becoming more and more crowded. The pollution is getting worse and worse. If this continue, the earth will not be suitable for humans to live. We should do something to prevent the earth becoming a second Mars. We can plant more trees and flowers to protect our environment.

試題分析：這是一篇材料作文。本文所給材料比較詳細，我們要做的就是用正確的英語把這些內容表達出來。動筆前要仔細考慮，不可遺漏要點，也可適當發揮。根據材料內容可知，本文要使用現在完成時、現在進現實、一把把將來時、一般現在時等時態，主語是第一人稱。在提出建議時可以使用情態動詞should等。
【亮點說明】本文多次使用主從復合句，為文章增色不少。如：But some scientists have proved that there was once water and life on Mars. Now the earth is becoming more and more crowded.還用了一些連詞如if，but等。