Mọi người ơi giúp e vs ạ E cảm ơn nhiều

Bài cực khó nhờ mod và chuyên gia giúp giải pt

Viết chữ "SAD" bằng Calligraphy nhé!

Cho pthđgđ: x2-mx-1=0 a) Chứng minh (d) luôn cắt (P) tại hai điểm nằm vế hai phía Oy b) Tìm m để (d) cách (O) một khoảng bằng 1/2(đvđd) Giúp em câu b với ạ;(((

phan tich da thuc thanh nhan tu x^4+4 x^5+x+1 a^4+64 x^5+x-1

Làm giúp mình với ak , mình đang cần gấp lắm . Mình xin cảm ơn!

Question 13: Your English is improving. You speak it ______than before. A. well B. better C. more better D. less better Question 14: Lan never goes to the movies , ______ she? A. doesn’t B. does C. did D. didn’t Question 15: Many scientists are eager to look ______ life on other planets. A. after B. at C. for D. up Question 16: Tom is very intelligent. ______, he’s lazy. A. So B. But C. Therefore D. However Question 17: “______” - “ Yes, I’d like some information about trains, please.” A. Can I help you? B. May I help you? C. What can I do for you? D. All are correct. Question 18: The primary causes of species extinction are habitat destruction, illegal exploitation and ______ . A. polluted B. pollute C. pollution D. pollutedly Question 19: Cotton is one popular fiber that______clothes A. used to make B. is used to making C. used to be made D. is used to make Question 20: We missed the first bus to the station but _______ we got there just in time for the last train. A. luckily B. unlucky C. lucky D. Unluckily Question 21: The tour guide told them ______ trash on the water. A. not throw B. not to throw C. to throw not D. not throwing Question 22: I can’t understand the French visitors. I wish I ______ French. A. knew B. will know C. know D. have known Question 23: When we looked at the baby last night, he______. A. was sleeping B. slept C. is sleeping D. sleeps Question 24: Many countries have had plans to recycle waste paper to ________ money. A. share B. keep C. save D. waste

Ex4.Find mistake and check. 1.D a Lat is bigger Ho Chi Minh city. ______________________ 2.New York City is larger Ha Noi ______________________ 3.My father in fatter than my mother. ______________________ 4. Ha Long Bay is beautiful than Nha Trang. ______________________ 5.Hue is peaceful than Ha Noi City Ex4. Read and answer the questions : Linh is twelve years old . He is in grade 6. He lives in a house with his mother , father and sister . Their house is next to a bookstore . In the neighborhood ,there is a restaurant , a market and a stadium . Linh’s father works in a restaurant . His mother works in a market . Linh goes to school every morning . He has classes from seven to fifteen past eleven. Every morning , Bi gets up at six. He watches his face and brushes his teeth. At six – thirty he eats breakfast , then he goes to school . At twelve thirty , he goes home and has lunch . In the afternoon , he plays soccer . In the evening , he does his homework , then watches television. Answer the questions. 1. What does Bi do ?.............................................. 2. What time does he get up every morning ?.................................................. 3. What does he do after breakfast ?............................................................... 4. Does he go to school in the afternoon ?...................................................... 5. Does he play soccer in the afternoon?...................................................... 6. What does Bi do in the everning? ................................................................ V. WRITING Task 1. Look at the pictures. Read and write one word for each gap. There is one example. Example: The Sydney Opera House is more beautiful than the Ha Noi Opera House. 1. New York is busier than __________. 2. _________ is smaller than Malaysia. 3. New York is more modern than __________. 4. __________ is more expensive than Da Nang. 5. Gold Coast in _________ is more beautiful than Ha Long Bay in Viet Nam. Task 2. Order the words. There is one example. Example: bigger / Ha Noi / is / Hue / than Ha Noi is bigger than Hue. 1. is / than / more / exciting / Da Nang / Ho Chi Minh City ______________________________________________________. 2. quieter / is / Da Lat / Can Tho / than ______________________________________________________. 3. is / than / modern / more / New York / Tokyo ______________________________________________________. 4. is / which / larger / Paris / London / one / or __________________________________ ,___________________? 5. beautiful / Ha Long City / Nha Trang / more / which / place / is / or __________________________________ ,___________________? Task 3. Read the questions. Write to compare your town with Ha Noi or Ho Chi Minh City. There is one example (0). 0. Where do you live? 1. What’s your place like? 2. What’s Ha Noi/ Ho Chi Minh like? 3. Which place is bigger, your place or Ha Noi/ Ho Chi Minh? 4. Which one is more peaceful, your place or Ha Noi/ Ho Chi Minh? 5. Which one is more exciting, your place or Ha Noi/ Ho Chi Minh? 0. I live in ____________. 1. It is ______________________. There are/is _________________in______________. 2. Ha Noi/Ho Chi Minh is _________________. It has____________________________. 3. ___________________________ is bigger than ______________________________. 4. ____________________________ is more peaceful than_______________________. 5. ____________________________ is more exciting than________________________.

So sánh mức độ tính chất của Su , P , S Cl, đồng thời nêu Công thức hidroxit tương ứng và so sánh tình axit của chúng

Ex1 Dùng từ gợi ý viết lại các câu sau sử dụng cấp so sánh hơn. 1.Nha Trang/ small/ Ha Noi City. > Nha Trang is smaller than Ha Noi City. 2. Life in Da Nang/ expensive/ life in HCM City. ............................................... 3.Da Lat/ exciting/ London. .................................................................. 4. Huong River/ small/ Me Kong River. .................................................................. 5.I/ tall/ Mai. .................................................................. 6. My sister/ young/ me. .................................................................. 7.This bag/ cheap/ that bag. ......................................................................................................... 8. The country/ quite/ the City. .......................................................................................................... 9. Mai’s house/ large/ Tuan’s house. .......................................................................................................... Excercise 2: Viết dạng so sánh hơn của các tính từ và trạng từ sau Tính từ/ Trạng từ So sánh hơn 1. beautiful 2. hot 3. crazy 4. slowly 5. few 6. little 7. bad 8. good 9. attractive 10. big Ex3:Answer the question. 1.Which one is bigger, Hoan Kiem Lake or Hong River?................................................................ 2. Which one is nosier, life in the city or life in the countryside? I think.................................................... 3. Which one is smaller, Ben Thanh Market or Dong Xuan Market? I think............................................. 4. Which one is longer, the ruler or the pen? I think.................................................................................... 5. Which one is busy, life in the city or life in the mountains? I think........................................................ 6. Which one is bigger, house’s elephant or house’s ant? I think................................................................