user-avatar
anhngoc9b3
2 năm trước
Cần gấp Nhanh nhé! Ko cần gt (Có thể GT nếu muốn) Phải làm đúng!!! Đề: Cho các công thức và ký hiệu: O2, H, H2SO4, O, H2, CaO, KCl, Fe, BaSO4. Các phân tử là: A. O2, H2, Fe B. O2, CaO, KCl, BaSO4, H2SO4, H2 C. O, H, Fe D. O2, CaO, KCl, BaSO4, H2SO4, H2, Fe
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

V. Give the correct form of the words in the blank (Using the present simple and present continuous). 1. Lan (not have) ............................. many friends in her new school. 2. Hung (come) ............................. from Vinh but he (stay) ............................. with his relatives in Ho Chi Minh city at the moment. 3. We (not drive) ............................. to work every day. We (go) ............................. by bus. 4. Who (talk) ............are you talking ................. to on the phone now, Minh? 5. Where ….. your new friend (live) ............................., Nga? - She (live) ............................. on Hang Bai street. 6. you (be) ............................. in class 7A? - No, I (be) ............................. in class 7D. 7. Look! Jane (play) ............................. the guitar. This afternoon, she will play table tennis. 8. I (not talk) ............................. to her at present 9. How often ............................. she (go) ............................. fishing? - She (go) ............................. once a year. 10. (Be) ............................. your friends ............................. students? - Yes, they (be) .............................

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