2012届高考英语单元考点复习20

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
biology 生物学)． arithmetic and _________(
4．If you are in trouble, do you believe God e______ xists ? 5．We should not only know the t_______ heory but also how to
Unit 4 │ 单词点睛
(2)Water has 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。
＝ Water __________three states: gas, liquid and solid. exists in
Unit 4 │ 单词点睛
【温馨提示】 puzzled意为“迷惑的，不解的”，往往用于指人或人的表情、 【活学活用】 (1)________________(令我百思不解的)is why they doesn't
脸色等；puzzling意为“令人迷惑的，让人不解的”，往往指物。
_______________________________________________________
Unit 4 │ 美文佳句
From the picture, we can see that pollution is posing a threat to our earth, which comes in many ways. Millions of chimnng heavy smoke into air, which causes serious air pollution. A
A man _____________ can't exist without air. (2)你相信上帝的存在吗？
Do you believe in ______________________ the existence of God ?
Unit 4 │ 单词点睛
3 puzzle
n．谜；难题vt.&vi.(使)迷惑；(使)为难
Unit 4 │ Astronomy：the science of the stars
Unit 4 Astronomy：the science of the stars
Unit 4 │ 美文佳句 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)。
The pollution is so serious that we have to find effective solutions to it. As far 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.
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___________________________________________________
prevent„ _____ from cheer ____ up
8．突发；爆发
break ____ out
Unit 4 │ 课前热身
Ⅲ.完成句子
1．谢天谢地，医生终于及时赶到了这里。 Thank God.The doctor___________________________. arrived here just in time
come into existence
in existence 【活学活用】
产生；存在
现存的；现有的
1．同义句转换
(1)This new country came into being in 1951. ＝This new country ____________________in 1951. came into existence
large amount of waste water from the factories pollutes
water, making our rivers fishless and our water unfit to drink and swim in. Furthermore, a lot of trees have
Unit 4 │ 美文佳句
2．A 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
Unit 4 │ 课前热身
4．既然大家都到了，咱们开始上课吧。
__________________________ Now that everyone is here , we can begin our class.
5．这场雨使我们走远路很困难。 The rain _________________________________long made it difficult for us to walk distances.
8．There is a v_______ iolent wind outside and the snow is so
heavy.
puzzles 使困惑) me most is why they doesn't show 9．What ________(
up. 10．It is h_______ armful to your health to drink too much
“educate sb. to do sth.”结构的被动语态。
Unit 4 │ 课前热身 课前热身
Ⅰ.单词拼写 1．What are the differences between the American and British _______( systems 制度)of the government? 2．A number of gases forms the _____________( 大气)． atmosphere 3．Her school report shows that she is weak at/in
What’s more, people should be further educated to
realize the importance of environmental protection. Thus, we will have a clean and tidy environment.
Unit 4 │ 美文佳句
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。 3．The pollution is so serious that we have to find effective solutions to it. 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“so„that”结构，that引导的是结果状语 从句。
2．医生们正想方设法防止癌细胞扩散。
The doctors are making an attempt________________________________________. to prevent cancer cells from spreading 3．很明显他昨天没有说实话。 ____________________he didn't tell the truth yesterday. It was obvious that
【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。
Unlike John, Tom dislikes playing football ____________________________________________.
背佳句
1．From 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。
apply it in practice.
Unit 4 │ 课前热身
6．He spent the whole afternoon _________ pulling ( 拔) weeds in