(x+3)(x+4) ≤0 (2x-1)(x+1) ≤0 Giải bất phương trình

I. Pronunciation. 1. A. visits B. happens C. clears D. seems 2. A. sick B. sure C. sand D. stand 3. A. when B. who C. what D. where 4. A. find B. like C. think D. bike 5. A. meat B. tea C. head D. sea II. Choose the best answer A, B, C or D. 1. The children did the job ……………. , so they could go to the party. A. economy B. economically C. economic D. economical 2. You didn’t go to Lan’s party yesterday, ……………. ? A. don’t you B. didn’t you C. do you D. did you 3. I am very tired and sleepy now ……………. I stayed up late last night. A. therefore B. because of C. so D. because 4. Have you checked the weather ……………. today? A. forecast B. guess C. expectation D. prediction 5. I was hoping the sunny weather would last, but unfortunately it was only ……………. . A. temporary B. complimentary C. obligatory D. contemporary 6. They forgot to ……………. the lights before going out, which was careless of them. A. turn on B. turn down C. turn off D. turn up 7. Tim said that he ……………. his work the next day. A. would finish B. has finshed C. will finish D. doesn’t finish 8. Last year, she gave up politics and ……………. to focus on charity work. A. decide B. decided C. was deciding D. will decide 9. You ……………. park your car here. It’s not allowed. A. must B. needn’t C. need D. mustn’t 10. Nam: “That’s a beautiful picture you have drawn, Mai”. Mai: “…………….” A. Are you sure? B. You are welcome C. Never mind D. It’s kind of you to say so. 11. Many tourists enjoy ……………. on the beach in summer. A. to sunbathe B. sunbathe C. to sunbathing D. sunbathing 12. If we reuse bottles and cans, we ……………. A large amount of garbage. A. will reduce B. would have reduced C. would reduce D. wouldn’t reduce 13. Paris, ……………. is the capital of France, is a very nice city. A. that B. who C. whose D. which 14. I can never touch lobster because I am ……………. to shellfish. A. sensible B. detrimental C. allergic D. infected III. Each sentence has a mistake. Find and correct it. 1. Linda hasn’t eaten some meat since she got advice from her doctor. …………….. A B C D 2. It was really excited for them to see their idol in person. …………….. A B C D 3. People often are afraid of things that happen unexpectedly. …………….. A B C D 4. I wish my father doesn’t have to work hard every day. …………….. A B C D 5. My little boy was born in New York in January 1st, 2018. …………….. A B C D

Nhanh nhaaaaaaaaaaaaaaaaaaaaaaaaa Làm bài 1,3 và 5 ạ

C1: 1 khu đất có S 0,2ha 5m². Người ta dùng 40% S đất để trồng hoa. Hỏi S đất để trồng hoa bằng bao nhiêu m². C2: Điền số thk hợp vào ô trống: 0,5 tấn . 37% = ..... yến 5kg C3: 1 hộp có 72 viên bi trg đó có 15% là bi xanh và 36 bi đỏ và vàng. Tính tỉ số phần trăm của bi vàng svs số bi trg hộp. C4: Tìm x: (x : 17) . 14% = 5,6 C5 Điền số thk hợp: 25% . 3ha 14m² = .... dam²

làm giúp mk nha ko cần hết cx đc

1 so sánh thủy chế hệ thống sông Hồng và hệ thống sông Mê Công ơn nước ta ? Giải thích. 2 giải thích tại sao vùng núi nước ta thường xảy ra lúc quyét sạt lở đất

|x+y-5|+|2x-y-1|=0 |y+5|+|x-y|=0 Nhanh meeeeeeeeeeee

làm 1 trong 2 câu là 5*+cảm ơn nha mn(ko cần làm hết-nếu làm hết có ctlhn nha)

Combine each pair of sentences, using suitable relative pronouns or relative adverbs: 1. A bus goes to the airport. It runs every half an hour. … … 2. Petr is studying French and German. He has been abroad. …… 3. You’ve all met Michael Wood. He is visiting us for a couple of days. … … 4. We are moving to Manchester. Manchester is the North West. … … 5. I’ll stay with Adrian. His brother is one of my closet friends. … … 6. The Earth is a planet. It can support life. … … 7. The book is about the girl. She runs away from home. … … 8. The fence is made from wood. It surrounds our house. …… 9. The first person is Mr. Smith. We must see him. …… 10. He is a famous doctor in my neighbor. You have just met his daughter last night. …… 11. Tet is a big occasion. The members of family gather on this occasion. …… 12. New York is a famous city. Everybody wants to live in this city. …… 13. The country is very peaceful and fresh. The old people enjoy living there. …… 14 Trinh Cong Son composed songs. They are greatly liked by millions of Vietnamese people. ……

Giải nhanh hộ bài 5, 6 ko cần gt