có 2 cách C1:Vì dầu không tan trong nước và nhẹ hơn nước nên khi tiếp xúc với nước thì sẽ khiến cho đám cháy lan rộng ra

2:những cách dập tắt đám cháy nhỏ do xăng,dầu là:

-phủ cát vào ngọn lửa

-dập tắt lửa bằng bình chữa cháy

-dùng vải dày trùm kín đám cháy

ao trình

kết quả đúng phải là -2024 chứ

sai rồi sao 1+2−3−4=−2

He goes to school every morning

2

2,drink

3,open

4,cause

5,connect

6,speak

7,connect

II. Rewrite sentences
1.Because I studied hard, I passed the exam.
=> Because of ________________________.
2.Because Hoa was rich, she could buy that house.
=> Because of _____________________________.
3.Although he has a physical handicap, he has become a successful business man.
=> Despite ________________________________________________________.
4.His father asked him to go stay at home because he was sick.
=> Because of ______________________________________.
5.She failed the University entrance exam because her grades were bad.
=> Because of _____________________________________________.
6.Because there was an accident, I was late.
=> Because of _______________________.
7.Because the rain was so heavy, I couldn’t go to school.
=> Because of _________________________________.
8.Because of the cheap price, my wife insists on buying the Tivi.
=> Because __________________________________________.
9.Although it was raining heavily, we still went to school.
=> Despite / In spite of ____________________.
10.Although Nam is not an intelligent student, he can learn very fast.
=> Despite / In spite of ______________________________________.

a,26/65+14/70=2/5+1/5=3/5

b,66/60-15/75=11/10-1/5=9/10

c,12/21-2/14+14/49=4/7-1/7+2/7=3/7+2/7=5/7