user-avatar
qwertyuioplkjhgfdsazxcvbnm
2 năm trước
Câu 17: nguyên tử của một nguyên tố Y được cấu tạo bởi 36 hạt . Trong hạt nhân, hạt mang điện bằng số hạt không mang điện. 1, Số đơn vị điện tích của hạt nhân Z 2, Số khối A của hạt nhân
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II. Choose the correct answers. 11. Phong is wearing a school . A. shoes B. uniform C. bag D. hats 12. I am having a Maths lesson but I forgot my . I have some difficulty. A. calculator B. bicycle C. pencil case D. pencil sharpener 13. In Physics, we have a lot of . A. books - to have B. homework - to do C. science - to study D. vocabulary - to play 14. morning exercise is good for you. A. Doing B. Studying C. Playing D. Having 15. At lunchtime, you can lunch in the school canteen. A. go B. be C. have D. do 16. Mai and Hoa their bicycles to school from Monday to Friday. A. rides B. ride C. is riding D. are riding 17. Nam's new school a large . A. has - playground B. have - playgrounds C. is having - playgrounds D. are having - playground 18. I often my homework school. A. study - at B. am doing - after C. do - after D. does - before 19. In the afternoon, I books the library. A. am reading - at B. read - in C. reads - at D. are reading - in 20. Look! They badminton with their friends. A. play B. plays C. playing D. are playing 21. What is your subject at school? A. nice B. favourite C. liking D. excited 22. Students live and study in a/an school. They only go home at weekends.. A. international B. small C. boarding D. overseas 23. In the afternoon, students many interesting clubs. A. join B. do C. play D. have 24. Creative students drawings and paintings in the club. A. do - sport B. join - English C. do -art D. play - judo 25. We are excited the first day of school. A. at B. about C. with D. in 26. My parents often help me my homework. A. with B. about C. at D. in 27. Nam football now. He's tired.. A. doesn’t play B. plays C. is playing D. isn’t playing 28. Listen! Someone at the door. A. knocks B. knock C. is knocking D. are knocking 29. My brother and I our bicycles to school now. A. ride B. am riding C. are riding D. is riding 30. Mr. Khang our class Maths. A. teach B. teaches C. does D. starts nhanh nhé 5p xong nha. ko cần giải thích đâu

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