1、Period Learning About Language(见学生用书P50)Every field of nature is wonderful.大自然的每一个领域都是美妙绝伦的。Build up your vocabulary1_prohibition_ n. 禁止；阻止；禁令_prohibit_ vt.(尤指以法令)禁止；阻止2_journalist_ n. 新闻记者；新闻工作者3_sneeze_ vi. 打喷嚏 n. 喷嚏；喷嚏声4_teapot_ n. 茶壶5_label_ vt. 用标签标明；贴标签n. 标签；标记6_cream_ n. 奶油；乳脂；护肤霜adj. 奶油色的； 淡
2、黄色的7leopard n._豹_8_stretch_ vi. 延伸；延续 vi.&vt.伸展；舒展9_rewarding_ adj. 值得做的；有益的10_bush_ n. 灌木11_lung_ n. 肺1officially or legally prohibit 正式或法律上禁止(教材P28)prohibit vt. to officially forbid (refuse to allow) something禁止；阻止(1)prohibit doing sth禁止做某事prohibit sb from doing sth禁止某人做某事(2)prohibition n禁止；阻止；禁令p
3、rohibition on/against. 的禁令 【活学活用】(1)Motor vehicles _are_prohibited_from_driving_ in the town centre at this time every day.每天这时候机动车辆禁止在市中心行驶。(2)Speaking loudly in the reading room _is_prohibited_在阅览室内禁止大声喧哗。(3)The police prohibit_parking_(park)in the city centre.警方禁止在市中心停车。prohibit意为“禁止；阻止”时，常用于proh
4、ibit sb from doing sth结构，表示“禁止某人做某事”，没有prohibit sb to do sth这个结构。2The Northeast Tiger and Leopard National Park was set up in Jilin and Heilongjiang, with boundary stretching all the way to the border and joining with Russias wildlife reserves. 东北虎豹国家公园在吉林和黑龙江设立，其范围一直延伸到边界，并与俄罗斯的野生动物保护区连接。(教材P28)str
5、etch vi. (to cause something to reach, often as far as possible, in a particular direction)延伸；延续vi.& vt.伸展；舒展stretch oneself伸懒腰；竭尽全力stretch out 躺下；伸出，伸开stretch over 伸展；延续stretch to 延伸；足够买 【活学活用】(1)You should stretch at least ten minutes before each run to prevent injuries.你应该在每次跑步前至少做10分钟的伸展运动，以防受伤。
6、(2)He wondered about it as he_stretched_his_body_and let it expose to the sun.当他舒展身体晒太阳的时候，他在想着这件事。(3)She _stretched_herself_ to provide for the family.她竭尽全力养活一家人。(4)My brother_stretched_out_his_arms_and embraced me tightly.我哥哥伸出他的双臂，紧紧地拥抱了我。3This vast new park is nearly four times larger than the o
7、ld wildlife park protecting Siberian tigers in Northeast China.这个庞大的新公园是保护中国东北西伯利亚虎的老野生动物园的近四倍大。(教材P28)句型公式：倍数的表达：(1)倍数比较级than(2)倍数as形容词/副词原级as(3)倍数asmany/muchn.as(4)倍数the size/length/height/depth/widthof 【活学活用】最近发现的行星几乎是地球的三倍大，人类有望能在上面生活。(1)The planet discovered recently is almost _three_times_as_l
8、arge_as_the Earth, and hopefully it can support human life. (as) (2)The planet discovered recently is almost _three_times_larger_than_the Earth, and hopefully it can support human life. (than) (3)The planet discovered recently is almost _three_times_the_size_of_the Earth, and hopefully it can suppor
9、t human life. (size) Discover useful structures动词ing形式作主语(见学生用书P51)读下列教材原句并感知黑体部分的共性。1Even though the sun is brightly shining, telling whether it is morning or night is impossible.2Getting here is quite difficult, so apart from the Sami very few people have ever seen Sarek.3For hundreds of years, lo
10、oking after reindeer was a way of life for the Sami.4Being in such a beautiful and wild place makes me feel blessed to be alive.我的发现：如果一个动词加上ing具有了名词的句法功能，那么这个词就被称为动名词。v.ing能在句子中作主语、宾语、表语、定语等。在上面的句子中，动名词均作主语。探究点1动名词的基本构成动词ing形式的基本构成为“动词原形ing”，具有时态和语态上的变化。语态时态及物动词write不及物动词go主动语态被动语态主动语态一般式writingbei
11、ng writtengoing完成式havingwrittenhaving beenwrittenhaving gone动名词是一种特殊的名词，由动词变化而来。它一方面保留着动词的某些特征，具有动词的某些变化形式，用以表达名词所不能表达的较为复杂的意念；另一方面动名词在句中与普通名词一样，可以充当主语、宾语、表语、定语等成分。动名词还保留了原动词的各种用法，可自带宾语、表语、状语等。动名词连同其后的宾语、表语或状语一起就构成了动名词短语。动名词短语同动名词一样具有名词的特征，可在句中充当主语、宾语、表语、定语等成分。 探究点 2动名词的基本用法1动名词作主语时，多表示经常性、习惯性的动作，通常
12、置于句首。单个动名词(短语)作主语时，谓语动词用单数。Obeying the rules of the school is very important to all of us.遵守学校的规定对我们大家都很重要。Saying is one thing, and doing is another.说是一回事，而做是另一回事。Having a walk (every day) helps to make one keep healthy.每天散步有助于一个人保持健康。Climbing mountains is really difficult for the old.对于老人来说爬山确实困难。2
13、动词ing形式作主语表示事物化、抽象化的概念。Travelling (a lot) is a good way to help people become knowledgeable.经常旅行是帮助人们变得学识渊博的好方法。3当句型“There is no.” 表示“不允许、禁止某种行为的发生或存在” 时，需用动名词作主语。There is no joking about such matters.这种事开不得玩笑。 探究点3动名词的复合结构 动名词的复合结构指的是“名词所有格或物主代词动名词”的形式。动名词的复合结构在句中可作主语或宾语。My sisters being ill made u
14、s worried.我姐姐病了，我们都很担心。Jerrys not arriving on time made the people present angry. 杰里未能按时到达令在场的人很生气。Before each class, the sound of the desks being opened and closed can be heard clearly.每节课前，都能清晰地听到课桌被打开和关上的声音。探究点4 it作形式主语的情况it 作形式主语，真正的主语是后面的动名词，主要用于下列句型中：It be a waste of time doing. 做浪费时间。It be wo
15、rth/worthwhile doing. 做是值得的。It be no use/useless doing. 做无用。It be no good/pleasure/fun doing. 做无好处/乐趣。It is no use crying when you have made a mistake.犯了错误哭泣是无用的。It is no good making friends with those addicted to playing video games. 和那些沉迷于玩电子游戏的人交朋友没好处。It is a waste of time arguing with him about
16、the matter.同他争辩这件事真是浪费时间。探究点5动词ing形式与不定式作主语的区别动词ing形式和不定式都可以作主语。动词ing形式作主语表示比较抽象的一般行为，不定式作主语往往表示具体的或一次性的动作。To look after children is her job today.她今天的工作是看孩子。Looking after children is her work.她的工作是照顾孩子。Singing is my hobby, and to sing at my friends birthday party is my dream.唱歌是我的爱好，在朋友的生日宴会上唱歌是我的梦
17、想。单句语法填空1_Toms_coming_ (Tom, come) is what we have expected. 2_Going_ (go) from junior high school to senior high school is a really big challenge.3_Quitting_ (quit) smoking did not affect my intellectual work at all. 4_Being_misunderstood_ (misunderstand) by others when you do nothing wrong at all
18、is quite a bad experience. 5_Taking_ (take) exercise every morning helps make one healthy.6_Being_defeated_(defeat) is often a temporary condition. Giving up is what makes it permanent. 7_Being_exposed_(expose) to the English broadcast can do a lot of good to your English study. 8Do you think my _go
19、ing_ (go) there will be of any help?9_Being_appreciated_(appreciate) by others is something that always makes people happy. 10There is no _parking_ (park) between 9a.m. and 6 pm.11It is no use _crying_ (cry) over spilt milk. 12Its no pleasure _looking_ (look) through these any longer because nature is one thing that really must be experienced. 温馨说明：课后请完成高效作业12)