1、Unit 3-SectionB-LearningAbout Language 核心考点归纳核心考点归纳 【核心考点】【核心考点】 This vast new park is nearly four times larger than the old wildlife park protecting Siberian tigers in Northeast China.(Page 28) 这个巨大的新公园比中国东北部那个保护西伯利亚虎的旧野生动物 园大将近四倍。 剖析 本句中的 four times larger than 是倍数的表达方式之一。 This river is twice wide
2、r than that one. 这条河比那条河宽两倍。 This table is twice longer than that one. 这张桌子是那张桌子的三倍长。 【合作探究】 读一读细观察 This table is three times as long as that one. 表达形式 倍数+as+adj.+as. This sofa is three times the length of that one. 表达形式 倍数+the+n.+of. The price of the house this year is twice what it was last year.
3、表达形式 倍数+what 从句. 【用法归纳】 【即学即用】 一句多译 这条河是那条河的三倍长。 This river is _ _ _ _ _ that one. This river is _ _ _ that one. This river is _ _ _ _ _ that one. 答案： three times as long as twice longer than three times the length of The Northeast Tiger and Leopard National Park was set up in Jilin and Heilongjiang
4、,with boundary stretching all the way to the border and joining with Russias wildlife reserves.(Page 28) 在吉林和黑龙江建立了东北虎豹国家公园,其界限一直延伸到国界线, 与俄罗斯野生动物保护区连在一起。 剖析 本句中的 with boundary stretching all the way to the border and joining with Russias wildlife reserves 是“with+宾语+宾语补足语”结构, 动词-ing 形式做宾语补足语。 The boy
5、 sat there,with his eyes staring at the picture. 男孩坐在那里,眼睛盯着那幅画。 The guide talked there,with his finger pointing at the stone. 导游在那里说着,手指着那块石头。 【合作探究】 读一读细观察 With the floor wet,I had to stay outside. with+宾语+形容词 The room is clean,with a dining table laid for a meal. with+宾语+过去分词 With so much homewor
6、k to do,I wont go to see the film tonight. with+宾语+不定式 【用法归纳】 stretch vi.延伸;延续vi.舒展 Fields and hills stretched out as far as we could see. 放眼望去,田野山丘绵延不绝。 【合作探究】 读一读细观察 阅读下列句子,写出句中黑体词的词性、词组和含义 Is there any way of stretching shoes? 词性 动词 含义 拉长 I stretched out a hand and picked up that book. 词组 stretch
7、 out 含义 伸展 Fire crew have been operating at full stretch. 词组 at full stretch 含义 全力以赴 【即学即用】 单句语法填空 The man was walking slowly with his pet dog _ (follow) him. With so many problems _(settle),the mayor couldnt sleep well. 完成句子 这些活动目的在于伸展你的腿部肌肉。 The exercises are designed _ _ _ _ _. 我们眼前是无尽的夏日。 Endles
8、s summer days _ _before us. 答案： following to settle to stretch your leg muscles stretched out 【语法归纳【语法归纳-动名词作主语】动名词作主语】 【思维导图】 【语法精讲】 动词-ing 形式做主语的用法 1.动词-ing 形式做主语往往表示经常性、习惯性的动作，且动名词或 其短语作主语时，谓语动词一般用三单形式。 Reading is an art. 读书是一门艺术。 Writing English novels for him is really great fun. 对他来说写英语小说很有趣。
9、2.动词-ing 形式做主语有时也可以用 it 做形式主语。 用 it 做 形 式 主 语 代 替 动 词 -ing 形 式 , 常 出 现 在 It is no use/good/fun/.doing sth,It is useful/useless doing sth,Its a waste of time doing sth 等几种句式中。 注意:动词-ing 形式做主语时表示的动作通常是一个泛指的动作;而不 定式则通常表示具体的动作。 Playing with fire is dangerous.玩火危险。(泛指) Be careful!To play with fire will b
10、e dangerous. 小心点!玩火会带来危险。(具体动作) 【即学即用】 单句语法填空 _(study) abroad can be a good experience. His not _(know) English brought him a lot of inconvenience. Its no good _(play) with such a lazy person. 答案： studying knowing playing 【随堂练习】 单句语法填空 1.Its no good _(smoke).Youd better give it up. 2.His _(lose) bik
11、e made him very upset. 3._(suffer) from cancer made him painful and in low spirits. 4.It is no use _(talk) with a person like him. 5.Making friends _(play) an important part in our life. s6.Li Mings _(come) late made his teacher very angry. 7.It is no use _(cry) over spilt milk. 8.It is a waste of time _(talk) about such useless things. 1. 答案:smoking 2. 答案:losing 3. 答案:Suffering 4. 答案:talking 5. 答案:plays 6. 答案:coming 7. 答案:crying 8. 答案:talking
