"The World Is a Big Place" Know Our World PPT download

Description

"The World Is a Big Place" Know Our World PPT download

The first part: independent preview before class

word breakthrough

1.Planet ________

2. Billion; Gigabit________

3. n. total; total adj. total; total ________

4. Increase; increase ________→________ (antonym)

5. Surface; surface ________

6.adj. Indian n. Indian________→________(n.India)

7. Atlantic ________

8.Arctic ________

Phrase translation

1.on the earth ____________

2.all year round ____________

3.the number of… ____________

4.total; total; total ____________

5. Covered by ____________

6.Thirds ____________

Sentence patterns online

1. And by 2050, the world’s population may reach 9 billion.

And ________ 2050, the world's population ________ ________ 9 billion.

2.These dry places are called deserts.

These dry places ________ ________ deserts.

3. It is not easy to survive in those places.

________ ________ not easy ________ ________ ________ those places.

4. For the sake of our children, and for the sake of our children’s children, we must treat it well!

It must ________ ________ well for our children and for our children's children, too!

The World Is a Big PlacePPT, Part 2: Classroom Interactive Exploration

Vocabulary highlights

increase v. increase; increase

[Observation] It is increasing very quickly.

It (the world's population) is growing very rapidly.

Reading can increase your knowledge. Reading can increase your knowledge.

[Explore] Increase means "increase, increase" and can be used as a transitive verb or an intransitive verb. When used as a transitive verb, it is often followed by a noun as ________.

Sentence Pattern Perspective

1　And by 2050, the world's population may reach 9 billion.

And by 2050, the world's population may reach 9 billion.

[Explore] (1) "by＋time" means "until...; no later than...". Depending on the time, different _________ are used.

(2) Billion means "one billion". When there is a ________ number in front, use the singular form; when ________ is added after it to indicate an approximate number, use the ________ form. For example:

two billion 2 billion billions of billions

[Expand]Words with the same usage as billion include hundreds, thousand, and million.

2 We can't live in water, and only about one third of our planet is land. We can't live in water, and only about one third of our planet is land.

[Explore] one third of our planet means "one third of our planet", and one third means a fraction of 1/3. Fractions in English are represented by numerals: cardinal numerals for the numerator and ordinal numerals for the denominator. If the numerator is greater than 1, use the plural form of the denominator. A hyphen may or may not be added between the numerator and the denominator. When it means "half", half is commonly used. For example: 2/7 two sevenths(two-sevenths)　1/2 one half

[Expansion] When a noun modified by a fraction is used as the subject, the singular and plural of the predicate verb should be determined according to the singular and plural of the noun modified by the fraction.

Three fourths of the money has been spent on books.

Three-quarters of the money was spent on books.

Two thirds of the students in my class are boys.

Two thirds of the students in our class are boys.

3　It must be treated well for our children and for our children's children, too!

For the sake of our children, and for the sake of our children’s children, we must treat it well!

[Explore] must be treated as a passive voice form containing a modal verb. The form of passive voice containing modal verbs is "modal verb + be + ______________". For example:

The trees should be treated well. The trees should be treated well.

An art school may be opened next year.

An art school may open next year.

This book must not be removed from the library. This book must not be removed from the library.

She might be sent to work abroad. She might be sent to work abroad.

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Update Time: 2024-11-17

This template belongs to English courseware Hebei Education Edition Eighth Grade English Volume 2 industry PPT template

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