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thaibinh2018
2 năm trước
Bài 1: Cho đơn thức A= x 2 y. x 2 y 3 z a) Thu gọn, tìm hệ số, phần biến và bậc của đơn thức A b) Tính giá trị của A tại x= 1, y= - 1, z= -2 Bài 2: Cho đơn thức B= x 3 y. (x 2 y 3 z) 3 a) Thu gọn, tìm hệ số, phần biến và bậc của đơn thức B b) Tính giá trị của B tại x=- 1, y= 1, z= -2 Bài 3: Cho biểu thức M= 7x 2 y 3 - 5x 2 y 3 - 4x 2 y 3 a/ Thu gọn M b/ Tính M biết x= -5 ; y =2
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Question 1: Circle the word with a different stress pattern from the others *5 điểm a. dramatic b. pollution c. natural d. historic Question 2: Buckingham Palace is a major tourist............................... * 5 điểm a. attract b. attraction c. attractive d. attracting Question 3: Don’t drink that water. It’s .......................... * 5 điểm a. damaged b. damaging c. contaminate d. contaminated Question 4: All our English teachers are ................ speakers * 5 điểm a. national b. native c. original d. foreign Question 5: If I ........................ you, I would take part in this activity. * 5 điểm a. am b. was c. were d. both b and c are correct Question 6: The team’s success was largely ....................to her effort. * 5 điểm a. because b. despite c. due d. since Question 7: ........................ pollution is caused by discharge of commercial and industrial waste into lakes and rivers. * 5 điểm a. Soil b. Water c. Air d. Noise Question 8: The thinning of the ozone layer is caused by ..................... in the air from mills, factories, and industry. * 5 điểm a.smoke b. sewage c. waste d. products Question 9: The ...............................city of Australia is Canberra . * 5 điểm a. capital b. urban c. rural d. big Question 10: The word ‘overseas’ in the text is closest in meaning to ............... * 5 điểm a.over the seas b. abroad c. at sea d. by sea Question 11: The biggest city in Australia and Oceania is Sydney, with a ............... of over 4,700,000. * 5 điểm a. people b.population c. pollution d. number Question 12: If people ...................................in the street, it would look attractive. * 5 điểm a. rubbished b.wasn’t rubbish c. did not rubbish d. don’t rubbish Question 13: Lan’s letter ....................................5 days ago. * 5 điểm a. sent b.was sent c. were sent d. has sent Question 14: Because he ………………. a lot of work that day, he was very tired. * 5 điểm a. did b.has done c. had done d. had did Question 15: Listen! Someone ....................... at the front door. * 5 điểm a. knocks b.knocking c. has knocked d. is knocking Question 16: Choose the sentence that has a similar meaning to the original one: Emma came first because she worked hard. * 5 điểm a. Emma came first as a result of her hard work. b. Emma came first as a result on her hard work. c. Emma came first because in her hard work. d. Emma came first as a result in her hard work. Question 17: Choose the sentence that has a similar meaning to the original one: If I could swim, I would go scuba diving with Terry. * 5 điểm a. Because I can swim, I won't go scuba diving with Terry. b. Because I could swim, I won't go scuba diving with Terry. c. Because I can't swim, I will go scuba diving with Terry. d. Because I can't swim, I won't go scuba diving with Terry. Question 18: Choose the sentence that has a similar meaning to the original one: They provided food , then cleared up the debris. * 5 điểm a. After they provided food , they cleared up the debris. b. After they have provided food , they cleared up the debris. c. After they had provided food , they cleared up the debris. d. After they had provided food , they had cleared up the debris. Question 19: Choose the sentence that has a similar meaning to the original one. I don’t have free time , so I can’t go some where. * 5 điểm a. If I had free time , I could go some where. b. If I had free time , I can go some where. c. If I have free time , I could go some where. d. If I have had free time , I could go some where. Question 20: Rearrange the words to form a complete sentence: is / held / country / fair / for/ Pig-racing /entertainment/ at/ often/a. * 5 điểm a. Pig-racing often is held at a country fair for entertainment. b. Pig-racing is often held at a country fair for entertainment. c. A pig-racing is often held at country fair for entertainment. d. Pig-racing is often held for a country fair at entertainment. Giúp mk vs ạ

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