mình đang cần gấp mong mn giúp!!

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Bài 1. Cho tam giác ABC cân tại A ngoại tiếp (I) , các tiếp điểm của (I) với BC CA AB , , lần lượt là D E F , , . Lấy một điểm K trên cung nhỏ EF của (I) , vẽ tiếp tuyến tại K của (I) cắt AB AC , lần lượt tại P Q, . Các đường thẳng IP IQ, cắt EF lần lượt tại M N, . 2. Chứng minh: MN/PQ không thay đổi khi điểm K thay đổi trên (I) thỏa mãn đề bài. 3. Giả sử BAC = 60 .Chứng minh rằng: PA/PB + QA/QB=1

After __ from work, my parents decided to move to the countryside. A. quit B. sack C. retiring D. starting A: The drought has led to many bad effects on farmers' life. B: That's right. Because they depend __ on the weather. A. strongly B. heavily C. hardly D. slowly

I. Chọn phương án đúng nhất (ứng với A, B, C hoặc D) để hoàn thành các câu từ 1 đến 20. Câu 1: Do you remember the department ________ we bought these shirts? A. where B. that C. which D. when Câu 2: Mary was very sad, ________she smiled and pretended to be having a good time. A. so B. but C. as D. and Câu 3: Waiter: “How do you like your steak done?” Peter: “ _______________________.” A. Very much B. I don’t like it much C. Well done D. Very little Câu 4: I’m busy at the moment. I ________ on the computer. A. worked B. work C. working D. am working Câu 5: This old building ________long time ago. A. is built B. was built C. built D. builds Câu 6: ___________ his advice, I would never have got a job. A. Except B. As for C. Apart from D. But for Câu 7: I haven’t got a ticket. If I ________ one, I could get in. A. had B. have got C. have D. would have Câu 8: They didn’t finish the project on time, ________? A. do they B. don’t they C. didn’t they D. did they Câu 9: He has been working in this company ________ nearly thirty years. A. for B. in C. within D. since Câu 10: He is very good ________ Mathematics. A. on B. at C. in D. for Câu 11: She has _______ free time than her sister. A. much B. much more C. a lot of D. most Câu 12: He is her closest friend. He ________her since they were children. A. known B. knew C. knows D. has known Câu 13: You should _______ more attention to what your teacher explains. A. pay B. make C. set D. get Câu 14: She shouted at us, ________ was very rude. A. whose B. who C. which D. whom Câu 15: I wish I ________ here longer, but it’s time for me to go home. A. stay B. can stay C. could stay D. will stay Câu 16: I ___________ my Mum by cooking dinner for her. A. looked up B. cheered up C. felt like D. waited for Câu 17: She advised me________ cigarettes. A. to not smoke B. not smoke C. not to smoke D. no smoking Câu 18: He asked me ________ good at English. A. if was I B. if I will be C. if I was D. if I Câu 19: Mai worked hard, ________ she passed her exam. A. because B. but C. however D. so Câu 20: Would you mind ________ me your address? A. told B. telling C. to tell D. tell Giup emmmmmm

Dành cho các HANSER (học sinh trường Ngôi Sao Hà Nội) đây!!! Hãy tả ngôi trường Ngôi Sao Hà Nội thân yêu của em và nêu cảm xúc khi không được đến trường sau nhiều tháng nghỉ dịch Tả trường Ngôi Sao Hà Nội thui nha tả trường khác + viết ngắn = báo cáo

I. Choose the word (A, B, C or D) whose stress is different from the others. 1. A. pleasure B. hurry C. arrive D. statue 2. A. decide B. railway C. temple D. palace 3. A. restaurant B. terrible C. gallery D. expensive 4. A. capital B. pagoda C. countryside D. motorbike 5. A. direction B. afternoon C. cathedral D. fantastic

mình cần gấp 3 câu chữa lỗi này ạ thanksss các bạn

Tìm GTNN của P=(x^2-2x-6)/(x-5) với x>5

Giúp mình nhé ai trả lời đúng và nhanh nhất mình sẽ cho câu trả lời hay nhất nè 1. I am the brother of your father. I'm your... 2. Your mother is my mum, your father is my dad . I'm your... 3. I am the father of your grandfather. I am your.... 4. My mum and your mum are sisters. I am your.. 5. Your mother is my mom. Your father is my dad. I'm your... 6. I am the mother of your mom. You are my sunshine. I am your.. 7. I am the mother of your grandfather. I am your... 8. You are the son of my son. I am your... 9. Your sister is my... 9. Your sister is my... NHANH GIÚP EM Ạ !!!!