Câu 3. Kết quả thu gọn đơn thức    là

 A.                   B.                 C.                 D.

IV. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

1. Day of the Dead is celebrated_______ November 1st in Mexico.

A. on     B.in     C. at      D. during

2. People throw tomatoes ________each other at La Tomatina in Bunol. 

A. on     B. to     C. at    D. for

3.The festival starts with an opening ________ where people walk through the streets.

A. party     B. ritual    C. feast   D. parade

4. Summerfest is the world’s largest____festival. It features more than 700 bands performing on 11 stages.

A. arts     B. music    C. religious    D. seasonal

5. In the UK and US, people give coloured chocolate eggs to each other at ___________.

A. New Year     B. Halloween    C. Christmas    D. Easter

Mark the letter A, B, C or D to indicate the word having the underlined part pronounced differently in each line.

1. A. excited B. enjoyed C. bored D. amazed

2. A. laughed B. ended C. shocked D. missed

3. A. enormous B. event C. rely D. plentiful

4. A. increase B. create C. decrease D release

III. Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

1. When is your mother’s date of birth? 

A.when is    B.mother’s   C,date    D.birth? 

2. He will clean his house at 9 am tomorrow. 

A.will    B.clean    C.at 9 am    D.tomorrow

3. My sister will be buying a house in the city center next year. 

A.will    B.be buying    C.in the city center    D.next year 

4. They will build a five-star hotel on this street this time next week. 

A. will build     B.five-star    C.hotel     D.on 

5. A solution for the environment problem will soon be finding by scientists 

A. A solution    B.problem    C.will soon     D.finding

. Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges.

1. “In the Cooper’s Hill Cheese Rolling Festival, people attempt to chase a rolling cheese wheel down the hill.” “____________ ”

A. That’s a great idea. B. Oh, I totally agree. C. It sounds crazy. D. OK, that’s interesting 2. ‘Is it difficult to reduce our carbon footprints?’ ‘________________’

A. It depends on the way you think. B. Not at all. Just practicing the 3R’s. C. It’s not if we still rely on fossil fuels. D. I’m not sure. What will happen?

1.the festival...............annually at the end of august 
A.occurs    B.helds    C.takes place    D.are held
2.burning man is a ..............fesstival held at the end of august
A.music    B.musical    C.musician    D.musicians 
3...........are you going to phu yen? to attend Hoi Mua festival
A.how    B.what    C.when    D.why 

tìm nghiệm 

k(x)=x^2+x

thời gian giải bài toán(tính theo phút) của các học sinh lớp7B được ghi lại trong bảng sau 

Thời gian(X) 5  7  9  10  12  15

Tần số(n)      2  6  15  8  10  9  N=50

mốt của dấu hiệu là 

A.9    B.13   C.11    D.15