1.Mary can't dance well

Can Mary dance well?

->yes, she can/ no,she can't

2.They can't swim and play football

Can they swim and play football?

->yes, they can/ no, they can't

3. She doesn't ride a motorbike

Does she ride a motorbike?

-> yes, she does/ no, she doesn't

4.He can't play the guitar and the piano

Can he play the guitar and the piano?

-> yes, he can/ no, he can't

5.we don't learn English on Monday and Tuesday

Do we learn English on Monday and Tuesday?

-> yes, we do/ no, we don't

6.My mother can't cook and make cakes

Can your mother cook and make cakes?

-> yes, she can/ no, she can't

7. I don't usually play gmae in the evening

Do you usually play game in the evening?

-> yes, I do/ no, I don't

8.Her sister can't sing and dance

Can her sister sing and dance?

-> yes, she can/ no, she can't

1.beautiful

2.peaceful

3.Malaysian

4.addition

5.national

6.national

7.instructor

8.traditional

B=x²+4x+4

B=(x+2)²

thay: x=98

có:B=(98+2)²=10000

Các loại mô chính: mô biểu bì, mô liên kết, mô thần kinh

Máu thuộc mô liên kết

2. It was interested in chatting with you last night

1.Linh didn't come my party last Sunday

2.It was interested in chatting with you last night

3.My brother used to listen to rock music when he was student

4.he spends 2 hours tidying his room

5.Did he watch TV last night?

a) x3=27

x=27:3

x=9

b)(2x-1)³=8

(2x-1)³=2³

=>2x-1=2

2x=2+1

2x=3

x=3:2

x=\(\dfrac{3}{2}\)

c)(x-2)2=16

(x-2)=16:2

x-2=8

x=8+2

x=10

1.went

2.went

3.didn't write

4.did/do/went

5.was doing

6.didn't play

6.were you doing/happened

7.did/come

8.was/was missing

9.was driving/saw

10.were sleeping

11.did/go

12.was visiting

13.are watching

14.walks

15.isn't cooking

 +) Vị trí địa lý, các đặc điểm địa hình, đặc biệt là độ cao, hướng các dãy núi chính, độ che phủ rừng cũng có vai trò rất quan trọng trong sự phân hóa khí hậu theo từng vùng, lãnh thổ cụ thể. Vì vậy các vành đai thực vật ở vùng miền Bắc và miền Nam khác nhau dù có cùng một độ cao.

SAI thi thôi nha BAN!!!

Lực nào dưới đây là lực đàn hồi 

A.lực hút nam châm tác dụng lên miếng sắt 

B.lực đẩy lò xo dưới yên xe đạp

C.trọng lượng của 1 quả nặng

D.lực kết dính giữa băng keo với 1 mặt phẳng