9B Unit4 life on Mars Comic strip & Welcome to the unit think about 考虑 think of 想到，想起 think over 思考，考虑 How do you like = what do you think of = how do you find... 你认为某物怎么样？ Can you tell me _____ in the future How life will be like B. how will life be like C. what life will be like D. what life will be like There is no fruit or vegetables. （和 ） I hope so. 我希望如此。 I hope not. 我希望不是这样。 Reading believe sb 相信某人（说的话） believe in sb 信任某人 by + 现在时间，谓语通常用现在时态 I must be in bed by ten 10 o’clock. 我必须在10点前睡觉。 by + 将来时间，谓语通常用将来时态 By the time next week we will be in New York. 下星期的这个时候我们将在纽约。 by + 过去时间，谓语通常用过去完成时 He had finished the work by ten o’clock last night. 昨晚到10点的时候，他已经完成工作了。 more and more crowed and polluted 越来越拥挤，污染越来越严重 rapid increase in population 人口的迅速增长 It is hoped that + 从句 有望..... all over again 重新 Here is what life there could be like. 这里描述的是火星上的生活可能是什么样子。 a large number of = large numbers of 许多的，大量的， 修饰可数名词复数。 with the development of science and technology 随着科学和技术的发展 at the speed of ... 以...的速度 People can’t survive without water, oxygen or food. 没有水，氧气，食物，人类就无法生存。 on the earth 在地球上 on mars 在火星上 in the form of ... 以...的形式 The gravity on Mars is only about three-eights of that on the Earth. 火星上的重力大约只有地球上的八分之三。 The air on Mars is much thinner than that on the Earth. 火星上的空气要比地球上的空气稀薄得多。 The clothes in this shop are cheaper than those in that shop. 这家商店里得衣服比那家商店里的衣服便宜。 specially 特别地，专门地 especially 特别地，尤其 People would have to wear boots that are specially designed to prevent themselves from floating off into space. 人们不得不穿着专门设计的靴子，以防止自己漂浮到空中。 compare A with B 把A和B比较 compare A to B 把A比作B Compared with life on the Earth, life on Mars would be better in some ways. 与地球上的生活相比，火星上的生活在某些方面要好些。 Encouraged by the teacher, he worked harder than before. 在老师的鼓励下，他学习比以前更努力了。 Every student would have a computer at home connected to an interplanetary network. 每个学生家里都有一台电脑与网络连接。 Life on Mars would be interesting as well as challenging. 火星上的生活不仅有挑战性，而且有趣。 as well as 1) 和...一样好 2) 也 as good as 1) 和...一样好 2）简直是，和....几乎一样 Grammar 辨析receive & accept receive 收到， 客观收到，主观上不一定会接受 accept 接受， 主观上愿意接受 If there is no fresh food, meals will not be as tasty as they are today. 如果没有新鲜的事物，饭菜不如现在的美味。 The smell of the pills reminds them of the tasty food on the Earth. 药片上的味道让他们想起地球上的美味食物。 be aware of... 知道，明白 be aware that + 从句 Are you aware how far Mars is away from the Sun？ 你知道火星离太阳有多远吗？ be in agreement 同意 be similar to... 与...相似 be similar in... 在某方 ... ...
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