trong những ngày ở nhà, đề phòng dịch covid 19, em và gia đình đã có những hoạt động ý nghĩa nào nhằm gắn kết tình cảm giữa các thành viên. hãy viết đoạn văn kể lại 1 hoạt động ý nghĩa nào đó? Help pé với ạ.

tính pH nha giúp mình đi các bạn best hóa ơi

Bài 6: Tính quãng đường mà vật rơi tự do đi được trong giây thứ hai. Trong khoảng thời gian đó, vận tốc của vật đã tăng lên bao nhiêu? Bỏ qua lực cản của không khí. Lấy gia tốc rơi tự do g = 10 m/s^2

Calli : Thông thái UwU Vẽ luôn biểu tượng thông thái nha NL: Cuối cùng tui cũng lên được thông thái :)))

Một vật thực hiện dao động tuần hoàn. Biết rằng mỗi phút vật thực hiện 360 dao động. Tần số dao động của vật:

2. SUBJECT AND VERB AGREEMENT A. Choose the right word or phrase best completes the sentence: 1. Three weeks _______not enough holiday. A. are B. were C. was D. been 2. Each of you ____ a share in the work. A. having B. has C. to have D. have 3. A number of students ____ volunteered to the job. A. have B. has C. to have D. having 4. Linguistics ____ out the ways in which languages work. A. find B. finding C. to find D. finds 5. The Philippines ____ of more than 7,000 islands. A. consist B. consisting C. consisted D. consists 6. The United Nations ____ its head quarters in NewYork city. A. have B. having C. has D. to have 7. One of my neighbours ____ curious about other people’s private life. A. being B. were C. is D. been 8. Tom doesn’t agree but the rest of us ____. A. does B. done C. do D. doing 9. There ____ a few flowers in this garden last summer. A. being B. were C. are D. is 10. A large number of reporters ____ at the meeting yesterday. A. being B. were C. are D. is 11. Much progress ____ been made in recent years. A. have B. has C. having D. to have 12. Collecting old coins and paper notes ____ one of my hobbies. A. being B. were C. are D. is 13. The number of pupils getting poor marks since the beginning of the semester ____ appalling. A. to be B. have been C. are D. is 14. Five thousand pounds ____ stolen in the robbery last night. A. being B. were C. are D. was 15. Mr. Thomson with his wife and his three children ____ abroad. A. to be B. have been C. are D. is 16. One of the girls who ____ working in this department ____ my niece. A. is/being B. are/is C. is/are D. was/were 17. The English ____ to drink tea. A. likes B. to like C. like D. has liked 18. Everybody ____ trying to do their best at present. A. to be B. have been C. are D. is 19. Jim as well as I ____ always busy doing English homework. A. am B. has been C. are D. is 20. Neither Daisy nor I ____ glad to do that. A. am B. has been C. are D. is 21. That you take a computer course ____ very necessary. A. am B. have been C. are D. is 22. The police ____ come to the site of the accident. A. have B. has C. having D. to have 23. The pilot along with his passengers ____ rescued last night. A. am B. have been C. was D. is 24. What we need most ____ books. A. is B. were C. are D. to be 25. My brother together with his friends often ____ in the park. A. jogs B. jogging C. jog D. to jog 26. Neither he nor they ____ here yesterday. A. are B. were C. is D. be 27. Either John or his children ____ breakfast each morning. A. make B. makes C. making D. to make 28. I don’t like the hot weather. Thirty degrees ____ too warm for me. A. was B. are C. being D. is 29. Not only a dog but also two cats ____ at home in his garage. A. was B. are C. been D. is 30. Both a poem and a short story ____ been written by the young author. A. has B. to have C. have D. having Giúp mình với 🙏

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