Choose the word (A,B,C,D) whose underlined part is pronounced differently from the others

1. A. number B. much C. public D. mute

2. A. dream B. deaf c. speak D. please

3. A. Scotland b. novel c. column d. movie

4. a. machine b. chess c. speech d. reach

5. a. proud b. pronoun c. around d. enough

6. a. television b. festival c. postcard d. promise

7. a. enroll b. both c. lost d. program

8. a. tasty b. mall c. stadium d. change

9. a. exbihition b. neighborhood c. hot d. humid

10. a. supply b. typhoon c. try d. facility

Choose the word that best fits each of the blacks spaces

I live (1) Romania, in the (2) . My school is about one kilometer (3) my house. My sister goes to school (4) bike every morning, but I haven't got a bike, so I go (5) foot. It only (6) about fifteen minutes, and it's good exercise

1. a. in b. at c. on d. from

2. a. country life b. countryside c. city life d. rural

3. a. apart b. away c. for d. from

4. a. by b. with c. on d. of

5. a. by b. with c. on d. of

6. a. has b. takes c. last d. goes

Choose the words or phrases that are not correct in standard English

1. He worked hard in order to getting good grades

A B C D

2. Even today, most Americans prefer coffee than tea

A B C D

3. I enjoy to go on vacation

A B C D

4. She asked her children stopping playing

A B C D

5. When I was a child, I used to follwing my Mom to the market

A B C D

6. I would like to go away on holiday but I don't have money enough

A B C D

7. That man is going to gets wet, because he doesn't have an umbrella

A B C D

8. It is not safe leaving small objects around the house

A B C D

9. He was exciting about his holiday

A B C D

10. They write the meaning of new words by their mother tougue

A B C D

Combine the following sentences into one sentence, using (not)+adj+enough

1. He wasn't very experienced. He couldn't do the job

\(\rightarrow\).......................................................................

2. She can't ride the motorbike because she is still young

\(\rightarrow\)......................................................................

3. The boy is too young. He doesn't understand this

\(\rightarrow\)......................................................................

4. You can't put this book in your pocket because it is too big

\(\rightarrow\)......................................................................

5. The weather isn't warm. We can't go swimming

\(\rightarrow\)......................................................................

6. I am lucky because I have many good friends

\(\rightarrow\)...........................................................................

7. This exercise is too difficult for me to do

\(\rightarrow\).......................................................................

8. He is too young to drive a car

\(\rightarrow\).....................................................................

Tình nhẩm

a) \(52^2\)

b) \(17^2\)

c) \(35\cdot45\)

Phân tích đa thức thành nhân tử

a) \(3x^2y-6xy^2\)

b) \(25x^2-y^2\)

c) \(4a^2-4a+1\)

d) \(125-a^3\)

e) \(7\left(a+b\right)-14\left(a+b\right)\)

f) \(13\left(x-y\right)+39a\left(y-x\right)\)

g) \(3x-3y+7xy-7x^2\)

h) \(5x^2+5y^2-20z^2-10xy\)

Tính

a) \(-15a^2b^2\left(3ab^2-2a^2b+4b\right)\)

b) \(\left(a+2\right)\left(a-2\right)-\left(a+1\right)\left(a-1\right)\)

Tìm x

a) \(5x\left(3x-7\right)-15x\left(x-1\right)=3\)

b) \(\left(4x+2\right)\left(6x-3\right)-\left(8x+5\right)\left(3x-4\right)=2\)

c) \(7x^2-21x=0\)

d) \(9x^2-6x+1=0\)

e) \(16x^2-49=0\)

f) \(5x^3-20x=0\)

Phân tích đa thức thành nhân tử

a) \(3x-3y+6xy-6y^2\)

b) \(4x^2-8xy-4z^2+4y^2\)

c) \(125a^3-8\)

d) \(x^2-y^2-x-y\)

e) \(a^2b+ab^2+a^3+b^3\)