Lesson 38 The world is a big place 课件 (1)

课件20张PPT。Welcome to our classLesson 38: The World Is a Big Place!How many continents are there in the world? What are they?1. There are ________ continents in the world. They are _____________________ __________________________________________________________________.
2. There are _______ oceans in the world. They are ___________________________ ___________________________________ ____________________.sevenfourI remember!Let’s play a game !Read the text Parsgraph one and two are a group
Parsgraph three 、four and five are a groupLanguage
Points分数的表达方法:
分子用基数词，分母用序数词，当分子
大于1时要在分母的序数词后面加“s”. 1/3 one third
4/5 four fifths 分数的表达方法的口诀： 分数的表达方法:
分子用基数词，分母用序数词，当分子
大于1时要在分母的序数词后面加“s”. 1/3 one third
4/5 four fifths 五分之一 五分之二
九分之七 九分之一
四分之三 十二分之一
二分之一 四分之一 分数+名词作主语时，谓语动词和名词保持一致大约五分之一的学生骑自行车上学
About of students go to
school by bike .increase to… 和increase by… 的区别和用法increase to…表示“增加到……”，后接具体数字；
increase by…表示“增加了…”，后接分数，百分数等
表示幅度的词。 The production of iron increased 120million tons ,
Which means it increased 20%.
A. to ; by B. by ; to C. to; to D. by; byby +时间 的用法: by ,介词，“到……时，
在……以前，不迟于” 你必须在晚上9点前回来。
You must be back nine o’clock in the evening .We had to get there by evening
翻译： Antarctica is covered with snow and ice all year round .
南极洲常年被冰雪覆盖。
be covered with 意为：“被……覆盖”，用于 语态。
主动语态为cover…with…“用……把……盖住”地板被旧报纸覆盖。
The floor is some old newspaper.地面上长满了草。
The ground was grass . I have learnedExercises1、His weight showed an (增加) of 3kilogramsin a month .
2、The cell phone has six (表面) .
3、 the time I got to the bus stop , the bus had already left .
A、On B、In C、By D、With
4、The number of the laptops increased 5 million
this year .
A、by B、in C、of D、to
5、The well is with a .
A、cover ; cover B、covered ; cover
C、covers ; covered D、covers ; covers
6、 of the students in our school girls .
A、 Two three ; are B、Two thirds ; is
C、Two thirds ; are D、Two three ; is1、The number of swimmers here is quickly
because it’s very hot these days.
2、The school has a of 900 students.
3、I think it may be the season of the year .
4、The of our bady is skin . It protects us .
5、How many of people are there in the
world now ? 用所给词的适当形式填空：
total、dry 、surface 、billion 、increase Listen and read the text again.
Finish off your exercise book.
Write something about the world’s geography.HomeworkThank you !