1. Reorder the words and write the meaning sentences.

 a) city / beautiful / a / Ho Chi Minh / is / city

.............................................................................

b) green fields / there / are

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Phân tích đa thức $xy – 1 – x + y^2$ thành nhân tử

Biểu thức M = $$\begin{gathered} \mathbf{(}\frac{\mathbf{1}}{\sqrt{\mathbf{x}}\mathbf{-}\mathbf{1}}\mathbf{ }\mathbf{-}\mathbf{ }\frac{\mathbf{1}}{\mathbf{x}\mathbf{-}\mathbf{ }\sqrt{\mathbf{x}}}\mathbf{)}\mathbf{ }\mathbf{:}\mathbf{ }\frac{\sqrt{\mathbf{x}}\mathbf{+}\mathbf{1}}{\mathbf{x}\mathbf{-}\mathbf{1}}\mathbf{ }\mathbf{ }\mathit{Đ}\mathit{K}\mathbf{ }\mathbf{:}\mathbf{ }\mathit{x}\mathbf{ }\mathbf{>}\mathbf{0}\mathbf{ }\mathbf{,}\mathbf{ }\mathit{x}\mathbf{ }\mathit{k}\mathit{h}\mathit{á}\mathit{c}\mathbf{ }\mathbf{1}\mathbf{.} \\ \mathit{a}\mathbf{)}\mathbf{ }\mathit{R}\mathit{ú}\mathit{t}\mathbf{ }\mathit{g}\mathit{ọ}\mathit{n}\mathbf{ }\mathbf{:}\mathbf{ } \\ \mathit{b}\mathbf{)}\mathit{T}\mathit{ì}\mathit{m}\mathbf{ }\mathit{x}\mathbf{ }\mathit{s}\mathit{a}\mathit{o}\mathbf{ }\mathit{c}\mathit{h}\mathit{o}\mathbf{ }\mathit{M}\mathbf{ }\mathbf{=}\mathbf{ }\mathbf{0}\mathbf{.} \end{gathered}$$

(x-5)^2-5+x

Câu 30: Cho 20ml dung dịch KOH 0,03M vào 10ml dung dịch HCl 0,02M thu được dung dịch Y.
Chỉ số pH của dung dịch Y là:
A. 1,9 B. 1,6 C. 12,1 D. 12,4

Tìm số hạng chứa x7 trong khai triển (x−1/x)¹³

$$\begin{gathered} A.C_{13}^4 \times 7 \\ B.-C_{13}^3 \\ C.-C_{13}^3 \times 7 \\ D.-C_{13}^7 \end{gathered}$$

Điền vào chỗ trống :

a) l hay n?

...ăm gian nhà cỏ thấp ....e te

Ngõ tối đêm sâu đóm ...ập ...oè

...ưng giậu phất phơ màu khói nhạt

...àn ao ...óng ...ánh bóng trăng ..oe.

                              Nguyễn Khuyến

b) uôn hay uông?

-...nước, nhớ ng...

- Anh đi anh nhớ quê nhà

Nhớ canh rau m..., nhớ cà dầm tương.

- Đố ai lặn x... vực sâu

Mà đo miệng cá,...câu cho vừa.

- Người thanh tiếng nói cũng thanh

Ch... kêu khẽ đánh bên thành cũng kêu.

Cách chia phép chia 75,52:32

1.Kết quả của phép tính nào sau đây là số nguyên tố?
4.6 − 12.2

7.2 + 1.

15 − 5 + 3.

30.6.4

2.Tập hợp ước của số  140 là

Part 2: Choose the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. VD

Question 6: The principle is out at the moment. Would you like to leave a message?

A B C D

Question 7: Why mustn’t we let children to play in the kitchen?

A B C D

Question 8: Next to the stove, there is a refrigerator on the left corner of the room.

A B C D

Question 9: My sister is a beautiful girl with black big eyes and an oval rosy face.

A B C D

Question 10: The teacher said to her students that you ought to look after yourself at home.

A B C D

Part 3: Choose the best sentence that can be made from the cues given.VDC

Question 11: We plan to invite him for dinner tonight.

A. We are planning to invite him for dinner tonight.

B. We will plan to invite him for dinner tonight.

C. We are going to invite him for dinner tonight.

D. We are inviting him for dinner tonight.

Question 12: My brother isn’t old. He cannot drive a car. (enough)

A. My brother isn’t old enough to can drive a car.

B. My brother isn’t old enough to cannot drive a car.

C. My brother is old enough to drive a car.

D. My brother isn’t old enough to drive a car.

Question 13: Her eyes are big, nice and black.

A. She has big black nice eyes.

B. She has nice big black eyes.

C. She has big nice black eyes. She has black nice big eyes.

Question 14: They / going to / have / important test / Friday.

A. They are going to have a important test on Friday.

B. They are going to have an important test on Friday.

C. They are going to have a important test in Friday.

D. They are going to have an important test in Friday.

Question 15: He / not have / walk / school /because / he / have / bicycle.

A. He doesn’t have to walk school because he has a bicycle.

B. He doesn’t have walk to school because he has a bicycle.

C. He doesn’t have to walk to school because he had a bicycle.

D. He doesn’t have to walk to school because he has a bicycle.

Cos(2x-pi/3)=1

60.
He felt very miserable, so he looked for someone to share his life with.
 
He looked___________________________________________________________
61.
"Don't leave your luggage unattended."
 
He asked me_________________________________________________________
62.
I have no idea who I should call for help in this situation.
 
I have no idea________________________________________________________
63.
Joana couldn't decide when she should start her journey.
 
Joana couldn't decide__________________________________________________
64.
He thinks no language in the world is more difficult than Chinese.
 
He thinks Chinese is___________________________________________________
65.
Dina is like her mother's side of the family.
 
Dina takes___________________________________________________________
66.
She sings better than anybody else in the class.
 
She is_______________________________________________________________
67.
I am leaving now so that I won't be late for work.
 
I am leaving now in___________________________________________________
68.
I'm really excited about the upcoming pottery workshop.
 
I'm looking__________________________________________________________
69.
New York City is the busier than any other city in the world.
 
New York City_______________________________________________________
70.
"I am going to work for a new company next week," John said.
 
John said____________________________________________________________
71.
"How long have you been standing here?" he asked me.
 
He asked me_________________________________________________________

Question 1: lovely / a / cat / what / white / !.

A. What a white lovely cat!

B. What a lovely white cat!

C. What a white cat lovely!

D. What a lovely cat white!

Question 2: going / smoking / to / my father / stop / is.

A. My father is smoking going to stop.

B. My father is going smoking to stop.

C. My father is smoking to stop going.

D. My father is going to stop smoking.

Question 3: enough / swim in / the water / clean / wasn’t / to.

A. The water wasn’t clean enough to swim in.

B. The water wasn’t enough clean to swim in.

C. The water wasn’t swim in enough to clean.

D. The water wasn’t enough swim in to clean.

Question 4: practice / speaking / frequently / ought to / English / you.

A. You ought to practice frequently speaking English.

B. You ought to frequently practice speaking English.

C. You ought to practice speaking English frequently.

D. You ought to speaking practice English frequently.

Question 5: herself / often / in the mirror / my sister / looks at.

A. My sister looks at herself often in the mirror.

B. My sister often looks at herself in the mirror.

C. My sister looks at often herself in the mirror.

D. My sister herself often looks at in the mirror.