Điền vào chỗ trống bằng 1 từ thích hợp:

Today in China(1)....where....... large scale destruction of forests has occurred, the government has required that every citizen(2).....between.... the age of 11 and 60 plant three to five trees(3).....per.... year or do the equivalent amount of work in other forest services. The government claims that at(4)......least..... 1000 million(5).......trees..... have been planted in China every year(6)....since..... 1982. In Western countries, increasing consumer demand for wood products that have been produced cause forest land-owners and forest industries to become increasingly accountable for their forest management and timber harvesting practices.

The Arbor Day Foundation's Rain Forest Rescue programme is a charity that helps to(7).....replace..... deforestation. The charity uses money to buy up(8)...to..... preserve rainforest land before the lumber companies(9)......don't know.....buy it. The Arbor Day Foundation then(10).....Make..... the land from deforestation.

(2x2x3,14):2

=12,56:2

=6,28

(2x2x3,14):2=12,56:2=6,28

Dien tich thua ruong la:

90x(90:3x5)=13500(m²)

Tren thua ruong do nguoi ta thu duoc tat ca so ki-lo-gam la:

(13500:100)x55=7425(kg)

Dap so:7425 kg

Số đó là 24 bạn ạ!Mà cho mình hỏi bạn tên là j zậy?

Câu hỏi đuôi

1. I think that is an overcrowded bus,..........isn't that (it)..........?

2. Your parents don't prefer living in the city,.......do they.........?

3. The tourists will never be allowed to visit the slums a gain,.willthey...?

4. I'm unable to slove that problem alone,.......am I........?

Rewrite sentences

6. It's Julia's thirteenth brithday next Friday.

>Julia 's thirteenth birthday will be next Friday.

7. Is your motorbike black,Peter?

> Is your motorbike having a color black, Peter?

8. That is not his invention

>that invention doesn't belong to him.

- Hai góc kề nhau là 2 góc có có cạnh chung và =90 độ

I. Choose one word whose underlined part is pronounced differently from the others

1. A. behave B. border C. destroy D. erupt => A

2. A. come B. wonder C. golden D. discover => C

3. A. disease B. instant C. easy D. miles => B

4. A. unknown B. united C. universe D. university => A

5. A. three B. with C. father D. There => A

6. A. storm B. tornado C. volcano D. border => C