Gửi :-3
$Oc$
đây
<x-1>2 -<3x+2>.<x-1>=0
Bài 5.Một vật chuyển động trên một quỹ đạo tròn bán kính 200cm. Vật chuyển động được một vòng trong 2s. Tính tốc độ góc, vận tốc dài, và tần số của vật của vật. Giúp với ạ
TNST: chủ đề "truyền thông về dân số và sức khỏe sinh sản vị thành niên cho học sinh lớp 9 1/Thực trạng 2/Biện pháp
1 vệ tinh nhân tạo ở độ cao 200km chuyển động với vận tốc 75km/s.biết bán kính trái đất là 6400km. a)tính gia tốc hướng tâm vệ tinh b)tính thời gian để vệ tinh quay hết 1 vòng
Xe thứ nhất trở được 7 tấn xi măng,xe thứ hai chở ít hơn xe thứ nhất 500kg xi măng.Hỏi cả 2 xe chở được bao nhiêu tạ xi măng?
41. I don’t want to go to work this morning. => I don’t feel like going to work this morning. 42. Dave said that “Let’s go to the movies”. => Dave suggested _________________________________________________________ 43. It’s not a good idea to drive in the heavy rain. => It’s better to avoid _______________________________________________________ 44. The flight to London lasted seven hours. => It took ________________________________________________________________ 45. I advised you to put your money in the bank. => You had better ___________________________________________________________ 46. There is no need for you to talk so loudly => You don’t have __________________________________________________________ 47. Contacting her at work in usually quite easy. => It’s quite easy ___________________________________________________________ 48. Harry’s parents didn’t allow him to smoke and drink. => Harry’s parents didn’t let ___________________________________________________ 49. The customs officer told him to open his briefcase. => The custom officer made ___________________________________________________ 50 My father said I could use his car. => My father allowed _________________________________________________________
mình cần gấp Ex 1: Choose the correct answer to fill in the blank 1. - A: Would you like to drink a cup of tea ________ coffee? - B: Coffee, please. A. and B. or C. although D. but 2. My brother plays volleyball well ________ I do not. A. and B. but C. or D. although 3. Most people like watching comedy ________ it's very entertaining. A. because B. so C. although D. but 4. _________ Minh likes sport programmes, he watches this animal programme with his family. A. Because B. Although C. and D. but 5. The film is very interesting. It's both moving ________ funny. A. and B. or C. although D. but 6. I have to go out, ________ I cannot watch television with my family tonight. A. but B. so C. although D. or 7. We decide to go out ________ it's raining heavily. A. though B. so C. because D. but 8. ________ she knows that watching too much TV is a bad habit, she watches less TV than she did before. A. Because B. Although C. or D. but Ex 2: Fill in each blank with one of the conjunctions "and/ or/ but/ so/ because/ although" to complete the sentences. 1. Is her child a boy ……………a girl? 2. I forgot to bring the map, ……………….I got lost. 3. He failed the examination …………………..he didn't study hard. 4. Lien won the match ………………………. she was injured. 5. My new classmate is quite friendly …………………… sociable. 6. I don't like watching films on TV …………………….. I like watching them at the cinema. 7. She likes watching cartoons ………………………….they are colorful and funny. 8. He helps his friends a lot …………………. he is very busy. 9. Lan sings very well …………………..she cannot sing in front of many people. 10. The movie was very boring ……………….. we went out to go shopping. III. Find the word which has a different sound in the underlined part 1. A. literature B.biology C.history D.information technology 2 A. lucky B.why C.family D.history 3. A. teacher B. head C. heavy D. breakfast 4. A. What B.Which C.When D.Who 5. A. literature B.kite C.mind D.fly IV. Find the word which does not belong to each group. 1. A.music B.physics C.biology D.theater 2. A.P.E B.I.T C.sink D.literature 3. A.calculator B.pencil case C.eraser D.blanket 4. A.classroom B.noticeboard C.chalk D.fridge 5. A.librarian B.library C.classmate D.teacher V.Choose the best answer (A, B, C or D). 1.My favorite food is chicken rice. What is_______? A. mine B. your C. yours D. he 2. We want to go______ this afternoon. A. swim B. to swim C. swiming D. swimming 3. She really likes______ computers A. use B. using C. uses D. to using 4. How about______ English books. A. read B. to read C. reads D. reading 5. Do you want to sign ______ for some clubs? A.at B. with C. up D. of 6. What ______ activity do you like? – I like playing video games A. indoor B. outdoor C. door to door D. door lock 7. We have ______ fun clubs at our school. A. lot of B. a lot of C. lots of D. B&C are correct 8. She enjoys______ arts and crafts at her school A. to do B. doing C. to eat D. eating 9. The Book Club welcomes anyone who______ reading. A. like B. likes C. hate D. hates 10. I’d______ to study hard for the exam. A. like B. be C. do D. better 11. Let’s______ presents for our parents, like T-shirts and necklaces A. make B. making C. makes D. to make 12. Where______ your teacher live? A. is B. are C. do D. does 13. I study in that class with forty-five other students. A. learn B. teach C. instruct D. review 14.The teachers are very kind to students and they enjoy teaching very much. A. handsome B. beautiful C. good D. interesting 15. Our classroom is relatively small but yours is______ A. cute B. average C. huge D. new 16. Open______ book and repeat after me A. you B. your C. yours D. mine 17. There are many classrooms at my school, ______there is only one library A. however B. but C. so D. because 18. What is Tuy Hoa City famous______? A. for B. with C. on D. of 19. What’s the matter with him? He ______a toothache. A. to have B. have C. has D. having 20. What subject is he ______now? – He is learning Physics. A. to learn B. learn C. learning D. learned
Tính trung bình cộng c++ Nhập vào một dãy N số nguyên A1,A2,...,AN (N≤10000,|Ai|≤109). Hãy in ra màn hình Trung bình cộng các phần tử âm. Dữ liệu vào: Dòng đầu tiên chứa số N Dòng thứ 2 chứa N số nguyên A1,A2,...,AN. Kết quả: In ra Trung bình cộng các phần tử âm lấy 2 số lẻ sau phần thập phân, nếu trong dãy không có số âm nào thì in ra −1. Sample Input 7 7 6 -4 19 -22 51 -82 Sample Output -36.00
Mọi người ơi giúp mình với! 22h mình phải nộp rùi :((
ai tốt bụng giúp mình với, hứa sẽ vote 5 sao +ctlhn Viết đoạn văn cảm nhận về ý nghĩa của truyện ngắn Lão Hạc 10 đến 12 câu
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến