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1、人教版新课标2012届高考英语一轮复习讲义课件：必修三 Unit 4 Astronomy：the science of the stars,Unit 4 美文佳句,诵美文 下图描述的是全球环境问题。请仔细观察这幅漫画，用英语写一篇短文，阐明漫画中所反映的问题，并提出解决此问题的方法(至少三点)。,Unit 4 美文佳句,注意： 1仔细品味图中文字的韵味，可以适当发挥想象，不要做简单描述； 2词数120左右。开头已经写好，不计入总词数；3作文中不得提及考生所在学校和本人姓名。From the picture, we can see that_,Unit 4 美文佳句,From the pictu
2、re, we can see that pollution is posing a threat to our earth, which comes in many ways. Millions of chimneys of the factories are pouring heavy smoke into air, which causes serious air pollution. A large amount of waste water from the factories pollutes water, making our rivers fishless and our wat
3、er unfit to drink and swim in. Furthermore, a lot of trees have been cut down without proper plans, which contributes to the soil being washed away. It seems that we really have no clean place to live in.,Unit 4 美文佳句,The pollution is so serious that we have to find effective solutions to it. As far
4、as I am concerned, the government should make laws to reduce polluted air. Some measures should be taken to purify the water before it is poured into the rivers or the seas. We should plant more trees to keep the soil in place. Whats more, people should be further educated to realize the importance
5、of environmental protection. Thus, we will have a clean and tidy environment.,Unit 4 美文佳句,背佳句 1From the picture, we can see that pollution is posing a threat to our earth, which comes in many ways. 从图中我们可以看到，污染从方方面面构成了对我们地球的威胁。 赏析 该句是图画作文的万能开篇句，用现在进行时形象地描述了图画的内容，为了提高句子的表达档次，还使用了一个which引导的非限制性定语从句。,U
6、nit 4 美文佳句,2A large amount of waste water from the factories pollutes water, making our rivers fishless and our water unfit to drink and swim in. 工厂排出的大量废水污染了水源，使我们的河流里没有了鱼，我们的水不能饮用也不能在里面游泳。 赏析 该句使用了现在分词短语做结果状语，生动地描绘了污染的严重后果。 3The pollution is so serious that we have to find effective solutions to i
7、t. 污染是如此严重，以致我们必须找到行之有效的解决方案。 赏析 该句使用了“sothat”结构，that引导的是结果状语从句。,Unit 4 美文佳句,4Whats more, people should be further educated to realize the importance of environmental protection. 此外，应该进一步教育人们，使其意识到环境保护的重要性。 赏析 该句使用了含有情态动词的被动语态，使用了“educate sb. to do sth.”结构的被动语态。,Unit 4 课前热身,.单词拼写 1What are the diffe
8、rences between the American and British _(制度)of the government? 2A number of gases forms the _(大气) 3Her school report shows that she is weak at/in arithmetic and _(生物学) 4If you are in trouble, do you believe God e_? 5We should not only know the t_ but also how to apply it in practice.,systems,atmosp
9、here,biology,xists,heory,Unit 4 课前热身,6He spent the whole afternoon _ (拔) weeds in the garden. 7. _(不同于) his brother, he works hard and makes much progress. 8There is a v_ wind outside and the snow is so heavy. 9What _(使困惑) me most is why they doesnt show up. 10It is h_ to your health to drink too mu
10、ch alcohol.,pulling,Unlike,iolent,puzzles,armful,Unit 4 课前热身,.完成短语 1下蛋 _eggs 2密切注视；当心；提防 watch _ 3既然 _that 4产生；分娩 give _to 5及时；迟早 _ time 6阻止；制止 prevent _ 7感到高兴、振奋 cheer _ 8突发；爆发 break _,lay,out,now,birth,in,from,up,out,Unit 4 课前热身,.完成句子 1谢天谢地，医生终于及时赶到了这里。 Thank God.The doctor_. 2医生们正想方设法防止癌细胞扩散。 The
11、 doctors are making an attempt_. 3很明显他昨天没有说实话。 _he didnt tell the truth yesterday.,arrived here just in time,to prevent cancer cells from spreading,It was obvious that,Unit 4 课前热身,4既然大家都到了，咱们开始上课吧。 _ , we can begin our class. 5这场雨使我们走远路很困难。 The rain _long distances.,Now that everyone is here,made it
12、 difficult for us to walk,Unit 4 单词点睛,1 unlike prep.不同；不像 like prep. 像，如 unlikely adj. 不太可能的 alike adj. 相似的，同样的 something like 几分像 Its like/unlike sb to do sth 做某事实在像/不像某人,Unit 4 单词点睛,【温馨提示】 unlike为介词，意为“与不同，不像”；而dislike则为动词，意为“不喜欢”，通常用作及物动词。 【活学活用】 (1)与约翰不同，汤姆不喜欢踢足球。 _. (2)连招呼都不打这不像你。 _.,Unlike Joh
13、n, Tom dislikes playing football,Its unlike you not to say hello,Unit 4 单词点睛,2 exist vi.存在；生存 exist on (live on)sth 靠某物生存 existence n. 存在；实有 come into existence 产生；存在 in existence 现存的；现有的 【活学活用】 1同义句转换 (1)This new country came into being in 1951. This new country _in 1951.,came into existence,Unit 4
14、 单词点睛,(2)Water has three states: gas, liquid and solid. Water _three states: gas, liquid and solid. 2根据汉语意思完成句子 (1)没有空气，人就活不了。 A man _ without air. (2)你相信上帝的存在吗？ Do you believe in _?,exists in,cant exist,the existence of God,Unit 4 单词点睛,3 puzzle n谜；难题vt.&vi.(使)迷惑；(使)为难 puzzled adj. (被)迷惑的；不解的 puzzling adj. 令人迷惑的 be in a puzzle 不知如何是好 be in a puzzle about 对迷惑不解 be puzzled by 被迷惑 puzzle over/about 苦苦思考 puzzle o
