x √x - √x + 3x - 3 9x-5 √xy - 4y 5x+7 √xy - 6y + √x + 2 √y

IV. Choose the best answer from A, B, C or D. Circle the letter to complete the passage.( 1pt) Do, did, developed. With, for, fast The Internet has increasingly (1)……….and become part of our everyday life.(2)……. you find the Internet useful? What do you use the Internet for? In my opinion, the Internet is a very (3).......... and convenient way for me to get information. I can also communicate (4).......... my friends and relatives by means of e-mail or chatting. However, I don't use the Internet very often because I don't have much time. For me, the Internet is a wonderful invention of modern life. It makes our world a small village. V. Read the passage below and answer the questions. (1 pt) One of the strongest earthquakes in this century happened in Anchorage, Alaska, on March 24th at about 6 o’clock in the evening. When the earthquake stroke that evening, many families were sitting down to eat dinner. People in the city suddenly found themselves in the dark because most of the lights in the city went out when the earthquake occurred. Many people died instantly when tall building collapsed and sent tons of brick and concrete crashing into the streets. When will the next earthquake occur? No one really knows for sure 1.Where did the strongest earthquake in this century happened? ………………………………………………………………………………………………… 2. When did it happen? ………………………………………………………………………………………………… 3. What were people doing when the earthquake happened? ………………………………………………………………………………………………… 4. Does anyone know about the next earthquake?

Tại sao hội Duy tân đang hoạt động lại bị dập tắt? giúp mik v

câu 4 ) so sánh các cặp phân số sau bằng cách hợp lý ( ko thực thiên phép tính ) a) ' 31/52 và 33/ 51 ' b) ' 7/20 và 15/52

I. Choose the word whose the underlined part is pronounced differently from the others. 1. A. danced B. arrived C. asked D. watched 2. A. environment B. website C. widely D.live 3. A. loved B. missed C. helped D. liked 4. A. country B. encourage C. touch D. generous 5. A. parade B. lunar C. apart D. acquaintance 6. A. extensive B. highlands C. celsius D. trust II. Choose the best answer from A, B, C or D to complete the following sentences. (2pts) 1. We feel very ………….…….……… today. A. excited B. exciting C. excite D. to excite 2. He told me he ………..……….. to leave the city the following day. A. will have B. would have C. has D. had 3.Your sister works in a foreign company, ………..……… she ? A. isn't B. doesn't C. won't D. can't 4. The church ………………… about 100 years ago. A. has been built B. is built C. was built D. will be built 5. If I …………………you, I’d take some rest before the exam tomorrow. A. is B. are C. were D. would be 6. The football match was postponed …………………….the bad weather. A. despite B. in spite C. because D. because of 7. The boy…………………..eyes are brown is my friend. A.whose B. who C. whom D. which 8. The policeman warned us…………………….……there. A. not go B. to not go C. not to going D. not to go

Ai giúp mình giải câu 21, 23, 24 đi mn. Hoặc biết câu nào làm câu đó cũng dc

vẽ itachi nha mn nl:nhanh . ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ mầm cx đc

James Dean grew up in Indiana with his aunt and uncle. (chuyển thành câu bị động) giúp mình ạ mình cảm ơn

1 .rượu etylic là 1 chất lỏng nhiệt độ sôi 78.3 độ C tan nhiều trong nước làm thế nào để tách hỗn hợp rượu etylic từ hổn hợp rượu và nước 2. Trong dầu hỏa có lẫn cát và nước hãy trình bày cách tách cát và nước ra khỏi dầu

II. Cho dạng đúng của từ trong ngoặc để hoàn thành các câu sau 11.The company is investing $ 10 million to _________ its factories. ( MODERN) 12.The internet is a wonderful _______________ of modern life. (INVENT) 13.The air is _________________ polluted by exhaust fume from cars . ( SERIOUS) 14. Energy-saving bulbs should be used to save ___________ . (ELECTRIC) 15. We must learn about keeping the environment ___________ . ( POLLUTE) III. Chọn một đáp án đúng trong số A, B, C hoặc D để hoàn thành mỗi câu sau. 16.I’m very __________ about the information you have given me. A. worried B. surprised C. bored D. interested 17.Please turn __________ the volume. I can’t hear the world news well A. on B. up C. down D. off 18.The students were divided __________ small group. A. for B. from C. in D. into 19.Every year, natural ________ cause millions of dollars worth of damage. A. events B. disasters C. temperatures D. accidents 20.Let’s go for a walk, _________ ? A. do we B. don’t we C. shall we D. let we 21. The book _________is on the table belongs to my brother. A. which B. where C. whose D. who 22. The first person ________ the classroom last Monday might know the reason. A. entered B. to enter C. who enter D. whom enters 23. The Nile is______________ longest river in the world. A. a B. an C. the D. Ø 24.The weather _________ for tomorrow isn’t very good. A. foreman B. news C. forcast D. foresee 25.”I suggest fixing the dripping faucet”. –“ _______________ .” A. Yes, please. B. Good idea. C. We will. D. I’m afraid no