user-avatar
520391425359791
2 năm trước
(x +1 ) + (x +2)+....+ (x +100)=5750
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. 1. A. practiced B. lived C. listened D. played 2. A. there B. mother C. marathon D. although 3. A. glove B. order C. sport D. orange 4. A. sugar B. mistake C. send D. simple Mark the letter A, B, C or D to indicate the correct answer to each of the following question. 5. I English for 10 years,but I still have a lot to learn. A. studied B. has studied C. have studied D. have studying 6. He ________to many countries since he graduated. A. has traveling B. has traveled C. traveled D. have traveled 7. the Di Vinci Code? It’s an interesting book. A. Have you ever reading B. Have you ever read C. You ever read D. Has you ever read 8. I the famous American movie,The Gladiator. A. has never seen B. have not seen C. have never seen D. never seen 9. The children __________ to the zoo three months ago. A. went last B. last went C. have last gone D. did last go 10. Why to the party last night? A. you came B. have you come C. didn’t you come D. did you came Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. 11. He has been a teacher since 1998. He has teached English for over 20 years. A B C D 12. This is the most easy exercise of all. I think that I can do it. A B C D 13. There were a lot of important information on TV last night. A B C D Mark the letter A, B, C or D to indicate the word OPPOSITE in meaning to the underlined word in each of the following questions. (tìm từ trái nghĩa với từ được gạch chân) 14. She lives in a very noisy neighborhood. A. crowded B. full C. quiet D. modern Mark the letter A, B, C or D to indicate the word CLOSEST in meaning to the underlined word in each of the following question. (tìm từ đồng nghĩa với từ được gạch chân) 15. They live in a huge house. A. small B. big C. old D. new Choose the best option 16. Lan/ never/ use/ computer/ before. A. Lan has never use a computer before. B. Lan has never used a computer before. C. Lan never uses a computer before. D. Lan has never used computer before. 17. We/ meet/ old teacher/ party/ some days/ ago/. A. We met old teacher at the party some days ago. B. We met old teacher in the party some days ago. C. We have met our old teacher at the party some days ago. D. We met our old teacher at the party some days ago. 18. Lan’s mother/ busy/ father. A. Lan’s mother is busy than her father. B. Lan’s mother is more busy than her father. C. Lan’s mother is busier than her father. D. Lan’s mother is the most busy than her father. 19. This is the most interesting book I have ever read. A. I have never read a book more interesting than this before. B. I have never read a more interesting book than this before. C. I have never read more interesting book than this before. D. I have never read such a interesting book before. 20. No one in my class is as hard working as Mai. A. Mai is the most hard working in my class. B. No one in my class is lazier than Mai. C. Mai is more hard working than no one in my class. D. Mai is as hard working as everyone in my class

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team