Unit 2 : Making arrrangements : Test 3

a) \(x^2+x+\frac{1}{4}=\left(x+\frac{1}{2}\right)^2\)

b) \(x^2+12xy+36y^2=\left(x+6y\right)^2\)

c) \(4x^2-12xy+9y^2=\left(2x-3y\right)^2\)

d) Không phải hằng đẳng thức \(\left(x^2-2x+4=\left(x-1\right)^2+3\right)\)

e) \(25x^2+4y^2-20xy=\left(5x-2y\right)^2\)

Trong sách có hướng dẫn mà 

11 bỏ

1-look

2-old

3-tall

4-taller

Sắp sếp: 

1. Flower/Is/alright?/the/Restaurant

Is the Flower Restaurant alright?

2. bit/runs/fast./He/a

He a bit runs fast

3. is/bit/The market/far from my house./a

The market is a bit far from my house.

4. is/to cycle to school./young/Bao/too

Bao is too young to cycle to school.

5. successfully/his/Bell/invention./demonstrated 

Bell demonstrated his inventin sucessfully.

Chọn từ phát âm sai: 

A. deaf                B. reach                   C. speak                D. dream

Chọn đáp án đúng:

1. He fell "_" and broke his leg. (a : upstair         B: upstairs            C: dowstairs          D: downstair)

2. The _ of telephone made Alexander Graham Bell gamous all over the world. (A: invent          B: invented          C: intention          D: invention)

3. They emigrated __ Australia in the 1960s to find work. (A: at          B: in         C: to            D: for)

IOE 8

ý bạn nói là chuyển lời nói lại à

Ta có :

S + ask + someone(preson of one người nào đó) V_to + Something (làm việc j đó )

The giraffe​ is taller than zebra.

ioe,hungry fish đúng ko? khỏi nx

câu này mình tự đoán ,nếu cao hơn con ngựa thì chỉ có con hươu cao cổ thôi,nhờ đó mà mk mới pít ,nếu ko pt nghĩa thì có thể mở 2 trang cùng 1 lúc dk mà, ioe và google dịch.

Đáp án là giraffe

The giraffe is taller than the zebra.

Học tốt nhá

Choose the best answer

1. I finish ………….. the book and went to bed.

A. read B. to read C. reading D. reads

2. That man can tell us where …………….

A. does John live B. is John living C. John lives D. John live

3. …………… clothes do you prefer, T- shirt or pullover?

A. Which B. What C. Where D. How

4. Can you …………… your paper with you when I come there, please?

A. collect B. bring C. get D. take

5. Smoking is harmful …………….. your health.

A. on B. for D. about C. to

6. Do you find anything …………….. there?

A. interested B. useful C. bored D. easily

7. Ann is very busy these days. She has …………… free time.

A. a little B. few C. a few D. little

8. It’s raining very ……………

A.wet B. badly C. hard D. firmly

9. A new shoppig is ……………. In my neighborhood today.

A. being opened B. opened C. opening D. be opened

10. The stolen machines were ………………. a lot of money.

A. valued B. cost C. price D. worth

1.C

2.C

3.A

4.B

5.B

6.B

7.D

8.C

9.B

Còn câu 10 thì mình ko rõ

câu trả lời của Hà An sai r bn nhá

Rewrite the following sentences as directed

1. Has anyone asked you for your opinions?/

\(\Rightarrow\) Nam said that have you been asked for your opinion?

2. I had a dog once, but I don’t have anymore./

\(\Rightarrow\) I used to have a dog.

3. The water was so cold that the children couldn’t swim in it./

\(\Rightarrow\) The water wasn’t warm enough for the children to swim in.

4. “ Eat more and more vegetables” the doctor said./

\(\Rightarrow\) The doctor told me to eat more and more vegetables.

5. To live on your salary must be hard./

\(\Rightarrow\) It must be hard to live on your salary.

6. Tom is the best player in the team./

\(\Rightarrow\) No one in the team plays as well as Tom.

7. It’s interesting to read this book./

\(\Rightarrow\) This book is interesting to be read.

8. I spend half an hour traveling to work by motorbike everyday./ \(\Rightarrow\) It takes me half an hour to travel to work by motorbike everyday.

9. Peter said he wasn’t feeling well then./

\(\Rightarrow\) Peter said “I am not feeling well now”.

10. A boy was injured in the accident, he is now in the hospital./ \(\Rightarrow\) The boy injured in the accident is now in the hospital.

Find and correct mistakes in the passage

In a modern life today, the work of the farm \(\Rightarrow\) farmer is less hard because he is helped a lot by machines. That mean \(\Rightarrow\) means nore food is produced and less labour and less work \(\Rightarrow\) working hours are spent. He also has more free time for intertain \(\Rightarrow\) intertainment and more things such as a big house, motorbike, television. Her \(\Rightarrow\) his life is getting better and good \(\Rightarrow\) better day by day. His children go to school. Before \(\Rightarrow\) After they finish school, they are sent to universityes \(\Rightarrow\) universities.The farmer still have \(\Rightarrow\) has to work hardly \(\Rightarrow\) hard but his life is much improved.

Read the passage and answer the questions

Most types of paper can be recycled. Newspapers have been recycled profitably for decades and recycling of other paper is growing. It’s important to know what you are buying in a paper product, for that reason virtually all paper products should be marked with the percentage and tupe of recycled content. Just saying “recycle paper” isn’t enough. “Recycled paper” can mean anything from 100% true recycled paper to 1% re- manufactured ends of large paper rolls. “Post- consumer” mean the paper that you and I return to recycling centers.

1. Can newspapers be recycled?.

\(\Rightarrow\) Yes, they can

2. Why should all paper products be marked with the percentage and tupe of?

\(\Rightarrow\) Because to help consumers know what they are buying in a paper product.

3. Are all recycled paper products the same?

\(\Rightarrow\) No, they aren’t.

4. What does “Post- consumer” mean?

\(\Rightarrow\) “Post- consumer” means the paper that you and I return to recycling centers.