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（2）说：能够预测文章内容，能够用现在完成时介绍图片。
（3）读：能够识别文章的主题。能够读懂以太空为主题的简单文章并能识别细节，做出正误判断。理解段落大意和文章结构，通过阅读获取信息，并提取归纳信息。
（4）写：能够运用现在完成时描述火星上的生活。
3.学习策略
认知策略：按要求预习课文并进行拓展。能根据阅读材料的题材和要求来选择不同的阅读技巧和方法。
4.单元核心内容
重点：Key vocabulary: group, light, impossible, take, out, communicate
Key structures: However, we have not found life on any other planets yet.
Scientists have also discovered many other galaxies in the universe.
（2）难点：能够正确理解运用现在完成时。学会恰当运用现在完成时写一篇介绍火星上生活的文章。
5.教学方法:PWP
以任务型教学模式为主，使用多媒体辅助教学，增大信息量，活跃课堂气氛，使学生有积极的情感，激发学习英语的兴趣，小组合作交流，提高课堂学习的有效性。
三、教学过程
Step 1 Warming up (5 minutes)
操作：guessing game，导入本课的新单词: environment, none, universe, light, impossible, communicate。再由标题Journey to space 导入本课难点词汇: outer space, universe, galaxy, The Galaxy or the Milky Way, solar system, star, planet，确定学生能够标准读出来。并了解太阳系的构成。
T: We are going to play a guessing game.
the place where people, animals and plants live (environment)
means nothing or nobody(none)
the whole space, including the star, the sun, the planet, the earth, the moon(universe)
What’s that? Turn on it, please. Thank you! Turn off it, please. Thank you. (light) Do you know that the light of the sun has to travel for about 8 minutes to reach us?
the opposite meaning of possible(impossible)
to exchange ideas or news with someone else(communicate)
Well done! You are so smart! Today we are going to learn Journey to space, Unit 2 We have not found life on any other planets yet. Now let’s see the objects from the largest size to the smallest in space: outer space, universe, galaxy, The Galaxy or the Milky Way, solar system, star, planet，
Now let’s know something about the Solar System.
设计目的：帮助学生扫清文章字词障碍，并了解文中相关知识，导入新课。
Step 2 Fast reading (10 minutes)
操作：1.快速阅读文章，选出文章标题。(2m)
2. 通读文章，整合文章结构。（3m）
3.快速阅读，判断句子正误并改正。(5m)
4.看课文的动画flash.