user-avatar
buitrinh492
2 năm trước
1. không khí là a. chất tinh khiết b. hỗn hợp c.tập hợp các vật thể d. tập hợp các chất khí 2. từ 1 nguyên tố hoá học có thể tạo nên bao nhiêu đơn chất
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

giúp mình với ạ, cảm ơn nhiềuu Here’s some good news. It will ………………… . A. turn you up B. blow you up C. put you up D. cheer you up Why are all these people here? What’s …………………? A. getting on B. getting off C. going on D. going off Barbara started a course at college, but she ………………… after six months. A. went out B. turned out C. fell out D. dropped out I’m sorry. I didn’t mean to annoy you. I didn’t do it ………………… . A. on purpose B. by chance C. by accident D. by mistake The workers have gone on strike. …………………, all production has ceased. A. So that B. Because C. Now that D. Therefore Navy Pier is Chicago’s most popular tourist ………………… . A. interest B. exitement C. attraction D. attachment It would have been a much serous accident if he ………………… fast at the time. A. drove B. has driven C. was driving D. had been driving Bài 2: Rewrite the sentences so that they are nearest in the meaning to the sentence printed before them. Nowadays people would rather watch TV than go to the cinema. = Nowadays people prefer ........... Although he is old, he goes jogging every morning. = Despite ........... He got severe punishment from the master. = He was ..........

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