Bài 4: Tính A = (6888 : 56 – 11^2).152 + 13.72 + 13.28 B = [ 5082 : (17^29 : 17^27 – 16^2) + 13.12] : 31 + 9^2 C = 1024 : 2^5 + 140 : (38 + 2^5) + 7^23 : 7^21 ^ là mũ nha VD2^2 đọc là 2 mũ 2
mọi người giups mình với ạ.mình cảm ơn ý nghĩa của công nghệ tế bào
Cảm nhận của anh chị về nhân vật Ngô Tử Văn trong văn bản"Chuyện chức phán sự đền Tản viên" Có thể làm ngắn ko? Bởi vì mình cần gấp trong tối nay. Giúp mình với
18. Niên hiệu của Đinh Tiên Hoàng gọi là gì?
Câu 1 : Nêu mối quan hệ giữa nguồn lực trong nước và nguồn lực ngoài nước. Câu 2 : Cơ cấu kinh tế của một quốc gia luôn thay đổi vì sao ? Câu 3 : Giải thích tại sao công nghiệp hóa lại tạo nền tảng vững chắc cho đô thị hóa ?
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
Một tiếng động sắc đến gai người, cứa vào da thịt tôi. sử dụng nghệ thaautj gì và nêu tác dụng
chia từ loại 1. Everyone was very ..........................when Anna said that her grandfather had died (sympathy) 2. The room was ......................decorated with pink and white icing (beauty) 3. My closest friend is a warm and......................person (care) 4. We’d like to offer your school a ...........................of two million dong (donate) 5. We all were in a state of great................when we learnt that we had passed the final exam (excite) 6. She.............................her father as she was growing up (idol) 7. Were women..........................................allowed to vote before 1945? (office) 8. Nowadays more and more people .......................take care of others (volunteer) 9. My brother and his friends spend hours a week helping ……….....or handicapped children in the city (advantage) 10. .I’d like to express my great..........................to your company for a donation of one million dong (grateful)
Ai giúp mình với mình cảm ơn trước
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
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến