\(n_{Al}=\dfrac{10,8}{27}=0,4mol\)

4Al + 3O₂ \(\underrightarrow{t^o}\) 2Al₂O₃

0,4     0,3         0,2              ( mol )

\(\Rightarrow n_{Al_2O_3}=0,2mol\)

\(V_{O_2}=0,3.24,79=7,437l\)

Bằng nhau

1. That room is cleaned every day

2. All flights were cancelled because of fog

3. A new highway is being built around the city

4. A new hospital has been built near the airport 

5. A lot of questions will be asked you at the interview

6. This road isn't used very often

7. I was accused of stealing money

8. The computer is being used at the moment

9. Service is included by the bill

10. The date of the meeting has been changed

Tách ra đi bạn ~ Không là người ta nản lắm!! :D

6. We ______to Ho Chi Minh City for our last summer vacation

A. go          B. went                C. will go            D. goes

7. My sister ________Kuala Lumpur three times.

A. visit                B. will visit                   C. visited             D. has visited

8. The population of  London is _______than that of  Paris.

A. big                            B. bigger             C. biggest            D. more bigger

9. The Chinese often drink _______tea.

A. some               B. a lot of            C. a few               D. many

10. The food is very  __________________

A. long                B. delicious                            C. noisy               D. historic

Câu đặc biệt theo mình nghĩ chỉ có mỗi: Hứ! thôi :D

1. mầm măng, lũy bẹ măng

2. ũ rủ như áo mẹ trùm lần trong lần ngoài cho đứa con non nớt ai bảo

3. So sánh

Tác dụng: Muốn cho thấy được sự hi sinh lớn lao của người mẹ thông qua hình ảnh của lũy bẹ măng

1. Why does she like this story?

2. What does Linda think of the main character in this story?\

3. Why do you like this book ?

necessities

1. can't

2. should

3. can

4. shouldn't

5. can

6. shouldn't