Tính: `(x^4)/(1-x) + x^3 + x^2 + x +1`

co y kien cho rang tho la thu ki chan thanh cua trai tim em hay cam nhan tieng noi chan thanh cua nha tho vien phuong trong 2 kho tho cuoi

Làm giúp mik vs giải thik nx nha

chủ đề của văn bản " Bàn về đọc sách" là gì?

IV. Fill in the blanks with a correct form, the PAST SIMPLE or the PAST CONTINUOUS: 1. I ____ (call) Mr Wilson at 9 last night, but he (not be)_________at home. He (study) ____ at the library 2. I _________ (not hear) the thunder during the storm last night because I ___________ (sleep) 3. It was beautiful yesterday when we went for a walk in the park. The sun___(shine). The birds_____(sing) 4. My brother and sister _______ (talk) about something when I ____________ (walk) into the room. 5. Tom went to his friends ‘house, but the boys __________ (not be) there. They (play)_____soccer in thevacant lot down the street. 6. The little boy _______ (fall) asleep while his mother____________ (read) him a story. 7. I really enjoyed my holiday last January. While it______(snow) in Iowa, the sun _____ (shine) in Florida. 8. While Ted _____ (shovel) snow from his driveway yesterday, his wife ____________ (bring) him a cup of hot chocolate. 9. John ___ (have) a car accident last week. He _________ (drive) down the street when suddenly a lorry _____________ (hit) his car from behind. 10. Ten years ago, the government ____________ (decide) to begin a food programme. At that time, many people in the rural areas _______________ (starve) due to several years of drought. 11. They ___________________(wait) for me when I _________________ at the station (arrive) 12. She ________________ (swim) in the sea when I ___________________ her (see) 13. _______________they_________________(play) tennis when it _________________ raining (start)? 14. We _________________ (drive) home from the theatre when the police __________________(stop) us. 15. The wind __________________ (blow) very hard when I ________________(go) out this morning. Giúp mình với ạ... :((

Vẽ unicom ko màu hay có màu cũng được.

Cho mình 3 hình ảnh thực tế của 3 loại chùm sáng : song song, phân kì, hội tụ (tức là mỗi loại đưa ra một hình ảnh ví dụ thực tế; chùm sáng song song : 1 hình ảnh; chùm sáng phân kì : 1 hình ảnh; chùm sang hội tụ một hình ảnh) Lưu ý : không lấy hình trong sgk

Vẽ chibi đôi bn thân nha Nl : có ai để avatar đôi với acc phụ thứ nhất của mềnh khum

bài 1 tìm GTNN của biểu thức A=$x^{2}$ + 8x B= 2$x^{2}$+12x-3 C= 3$x^{2}$-4x+1 D= 4$x^{2}$-8x+3

Question 1: It's raining.........we can't go out. A. So B. but C. however D.because Question 2: You have seen this film before,....? A. haven't you B.didn't you C.don't you D.have you Question 3: I wish I......fly a plane. A. can B. were C.will be able to D.could Question 4: If it rains tomorrow, we......the trip A. cancel B. will cancel C.would cancel D.canceled Question 5: There is a football match.....2 p.m. and 4 p.m. A. between B. at C.from D.on Question 6: The children are watching a very.....program on TV. A. interested B. interesting C.bored D.excited Question 7: Mrs. Thomson asked her son where....the next day A. will he go B. would he go C. he would go D.he will go Question 8: "Honey, the weather is very bad today. You should drive,....."Henry D. careless student. A. careful B.carefully C.carelessly D.careless Question 9: Mary used to.......up early when she was a student A. get B.getting C.got D.gets Question 10: Nguyen Du is consedered a famous Vietnamese....... A. poetry B.poem C.poets D.poet Question 11: They often go to that......to pray A. market B.hotel C.hostel D.shrine Question 12: We have some .......students for the program. A. exchange B.exchanged C. to exchange D. exchanging Question 13: Are you a stamp.....?? A. collecting B. Collector C.collect D.collecting Question 14: Environmental pollution can be caused by .......... events such as volcanoes and forest fires but it largely occurs due to the pollutants caused by human activities. A. nature B. natural C. naturally D. naturalize Question 15: New Zealanders represent a mix of Europeans and the Maoris. They are very ...... and hospitable A.friend B.friendly C.friendliness D.friendship Question 16: When turned up, the town hall was already.......of teenagers. A.full B.packed C.crowded D.jammed Question 17: She turned.......the new job in New York because she didn't want to move. A.on B.down C.off D.up Question 18: You may feel......before taking an important exam A. tense B.stressed C.surprise D.worried Question 19: You are asked to fix a broken bicycle chain and you are not sure what to do. You may feel....... A. confused B. frustrated C. happy D.embarrassed Question 20: Cattle and sheep are gazing in the................. A. bridges B. rivers C.fields D. meadows