人教版八年级英语下册课件Unit7 what's the highest mountain in the worldSection.B.ppt

1、 自自 主主 预预 习习 Section B & Self CheckSection B & Self Check 短语互短语互 译译 1.1.出生时出生时_ 2.2.到达到达( (某数量、程度等某数量、程度等) )；至多有；不多于；至多有；不多于_ 3 3因病去世因病去世_ _ 4.4.砍伐；砍倒砍伐；砍倒_ 5 5在将来在将来_ _ 6.6.走路时撞着走路时撞着_ 7 7or so _ or so _ 8.fall over _ 8.fall over _ at birth up to die from illness cut down in the future walk into 大约

2、大约 绊倒绊倒 Section B & Self Check 句型在线句型在线 1.1.科学家们说如今生活在现存森林里的熊猫不足科学家们说如今生活在现存森林里的熊猫不足20002000只。只。 Scientists say there are now _ _ 2Scientists say there are now _ _ 2，000 000 pandas _ in the remaining forests. pandas _ in the remaining forests. 2 2我们都希望未来有更多的熊猫。我们都希望未来有更多的熊猫。 We all hope that in the

3、future _ _ We all hope that in the future _ _ _ a lot more pandas._ a lot more pandas. fewer than living there will be 互互 动动 探探 究究 词汇点睛词汇点睛 Section B & Self Check 1 1 weigh v. weigh v. 重量是重量是； 称称的重量的重量 观察观察 This elephant weighs many times more than This elephant weighs many times more than this pand

4、a.this panda. 这头大象比这只熊猫重很多倍。这头大象比这只熊猫重很多倍。 探究探究 weigh weigh作动词，意为“重量是作动词，意为“重量是；称；称的重的重 量”。“量”。“weighweigh重量”意为“有重量”意为“有重”。如：重”。如： It weighs six pounds.It weighs six pounds.它重六磅。它重六磅。 Section B & Self Check 拓展拓展 weigh weigh 的名词形式为的名词形式为weight weight ，是不可数名词。，是不可数名词。 lose weightlose weight减肥，减肥， put

5、on weightput on weight增重。如：增重。如： She seldom has supper in order to lose weight.She seldom has supper in order to lose weight.为了为了 减肥，她很少吃晚饭。减肥，她很少吃晚饭。 Section B & Self Check 活学活用活学活用 I want to lose _ so I eat less. And now I want to lose _ so I eat less. And now I _ less than I used to.(weigh)I _ le

6、ss than I used to.(weigh) weight weigh Section B & Self Check 2 2 awake adj. awake adj. 醒着醒着 观察观察 At 9 At 9：00 a00 am., they find that most of the m., they find that most of the babies are already awake and hungry.babies are already awake and hungry. 早上早上9 9点，他们发现大多数的熊猫幼崽已经醒来并且饿了。点，他们发现大多数的熊猫幼崽已经醒来并

7、且饿了。 探究探究 awake awake作形容词，意为“醒着的”，在句中作表语。作形容词，意为“醒着的”，在句中作表语。 拓展拓展 反义词：反义词： asleep adj. asleep adj. 睡着的睡着的 Section B & Self Check 活学活用活学活用 I couldnt get to sleep. I was still a_. I couldnt get to sleep. I was still a_. wake Section B & Self Check 短语归纳短语归纳 1 1 at birth at birth 出生时出生时 观察观察 At birth,

8、a baby panda is about 15cm long. At birth, a baby panda is about 15cm long. 熊猫幼崽出生的时候只有熊猫幼崽出生的时候只有1515厘米长。厘米长。 拓展拓展 at birth at birth和和whenbe bornwhenbe born是同义表达。如上句可是同义表达。如上句可 以转换为“以转换为“A baby panda is about 15 cm long when it was A baby panda is about 15 cm long when it was born.”born.” Section B

9、 & Self Check 活学活用活学活用 她出生时只有她出生时只有2 2公斤重。公斤重。 She weighed only 2 kg _ _. She weighed only 2 kg _ _. at birth Section B & Self Check 2 2 up to up to 到达到达( (某数量、程度等某数量、程度等) )；至多有；不多于；至多有；不多于 观察观察 A panda can live up to 20 to 30 years. A panda can live up to 20 to 30 years. 熊猫可以活到熊猫可以活到2020到到3030岁。岁。

10、拓展拓展 up to up to还有“由还有“由决定”之意。如：决定”之意。如： Whether to go or not is up to you.Whether to go or not is up to you. 去还是留由你自己决定。去还是留由你自己决定。 Section B & Self Check 活学活用活学活用 将来人们能活到将来人们能活到100100岁吗？岁吗？ Will people _ _ _ 100 years? Will people _ _ _ 100 years? live up to Section B & Self Check 3 3 fall over fa

11、ll over 绊倒绊倒 观察观察 Mike fell over when he was running. Mike fell over when he was running. 迈克在迈克在 奔跑时绊倒了。奔跑时绊倒了。 拓展拓展 fall off fall off意为“从意为“从掉下”；掉下”；fall downfall down意为意为 “跌倒”；“跌倒”；fall behindfall behind意为“落后于”。意为“落后于”。 Section B & Self Check 活学活用活学活用 Anna _ her bike and hurt her knees. Anna _ her

12、 bike and hurt her knees. A Afell behindfell behind B Bfell downfell down C Cfell off Dfell off Dfell over fell over 答案答案 C C Section B & Self Check 4 4 or so or so 大约大约 观察观察 Another 200 or so live in zoos or research Another 200 or so live in zoos or research centers in China and other countries. c

13、enters in China and other countries. 另外另外200200只左右生活在中国和其他国家的动物园或研究中心。只左右生活在中国和其他国家的动物园或研究中心。 拓展拓展 由由soso构成的短语还有：构成的短语还有：and so on and so on 等等，等等，so that so that 为的是；以便为的是；以便 Section B & Self Check 活学活用活学活用 这本书大约两周后出版。这本书大约两周后出版。 The book will be published in two weeks _ The book will be published

14、in two weeks _ _ or so Section B & Self Check 5 5 die from die from 死于死于 观察观察 The babies often die from illnesses and do The babies often die from illnesses and do not live very long. not live very long. 熊猫宝宝经常死于疾病而且不会活很长熊猫宝宝经常死于疾病而且不会活很长 时间。时间。 探究探究 die from die from为固定短语，意为“死于”，与为固定短语，意为“死于”，与die

15、ofdie of 同义。但是由于具体的外部创伤、劳累等外因死亡用同义。但是由于具体的外部创伤、劳累等外因死亡用die fromdie from； 由于饥饿、悲伤等内因死亡用由于饥饿、悲伤等内因死亡用die ofdie of。 Section B & Self Check 活学活用活学活用 他去年死于一场事故。他去年死于一场事故。 He _ _ an accident last year. He _ _ an accident last year. died from Section B & Self Check 句型透视句型透视 1 1 This elephant weighs many ti

16、mes more than this This elephant weighs many times more than this panda. panda. 这头大象比这只熊猫重很多倍。这头大象比这只熊猫重很多倍。 探究探究 time time在此处是可数名词，意为“倍；倍数”，表在此处是可数名词，意为“倍；倍数”，表 达倍数可用“达倍数可用“A A 动词数词动词数词timestimes比较级比较级thanthanB”B”， 意思是“意思是“A A比比BB多少倍”。如：多少倍”。如： Bob runs two times faster than Lucy. Bob runs two time

17、s faster than Lucy. 鲍勃跑得比露西快两倍。鲍勃跑得比露西快两倍。 Section B & Self Check 活学活用活学活用 翻译句子翻译句子 王林每天吃得比他妹妹多两倍。王林每天吃得比他妹妹多两倍。 _ _ Wang Lin eats two times more than his sister. Section B & Self Check 句型透视句型透视 2 Scientists say there are now fewer than 22 Scientists say there are now fewer than 2，000 000 pandas liv

18、ing in the remaining forests.pandas living in the remaining forests. 科学家们说如今科学家们说如今 生活在现存森林里的熊猫不足生活在现存森林里的熊猫不足20002000只。只。 探究探究 本句中的本句中的living in the remaining forestsliving in the remaining forests是现是现 在分词短语，作后置定语，修饰在分词短语，作后置定语，修饰pandaspandas，livelive和和pandaspandas之间是之间是 主动关系。如：主动关系。如： There are so

19、me old people living in the There are some old people living in the countryside. countryside. 有一些老人居住在农村。有一些老人居住在农村。 Section B & Self Check 拓展拓展 现在分词现在分词( (短语短语) )作后置定语时，可以转化为含定语作后置定语时，可以转化为含定语 从句的复合句。如：从句的复合句。如： There are some children swimming in the river. There are some children swimming in the

20、river. There are some children who/that are swimming in There are some children who/that are swimming in the river.the river. 有一些孩子正在河里游泳。有一些孩子正在河里游泳。 Section B & Self Check 活学活用活学活用 Look! There are some boys _ soccer in the Look! There are some boys _ soccer in the field. field. A. playA. play B. playedB. played C. playing D. to play C. playing D. to play 答案答案 C C