Nêu các biện pháp phòng tránh chấn thương sọ não. Giúp em với ạ, 1h nữa em thi roi huhu

Khi nào dùng 'when' vậy giúp hiếu với ạ

Trong Axit Có Oxi ,Khi nào thêm đuôi ic hoặc ơ

Trên cùng 1 nửa mặt phẳng bờ chứa tia Ox vẽ tia Oy, Oz sao cho góc xOy= 50°, góc xOz=100°. a, Tính góc yOz. b, Chứng minh tia Oy là tia phân giác của góc xOz. c, Gọi Ox' là tia đốicủa tia Ox, tia Om là tia phân giác của góc x'Oz. Tính góc yOm C.ơn vì đã giúp mik ^^)

Tại sao mùa hè nóng bức ta nên mặc áo sáng màu

Ai giải hộ e với ạ khó quá e ko lm đc ạ

Trả lời câu 15 thôi nhé. Có thể chép mạng

1. Scientists have invented new devices to help people live a longer life. New devices ____________________________________________ 2. I don’t have enough time , so I can’t go on holiday this summer. If ____________________________________________ 3. The man had a broken leg. He tried to save his wife. In spite ____________________________________________ 4. I can’t tell you because I don’t know the answer. If ____________________________________________ 5. They will do the test well. They will review them all hard. If ____________________________________________ 6. The rescue workers evacuated the villagers in the raged flood to the safe place last night. The villagers ____________________________________________ 7. The students will provide aids for the homeless people tomorrow. Aids ____________________________________________ 8. The people will protect the environment now. The environment will be nice If ____________________________________________ 9. They don’t have a map, so they get lost If ____________________________________________ 10. The storm destroyed many houses in this village last week. Many houses ____________________________________________ 11. Did they give food to homeless people last year? Was ____________________________________________ 12. Although the weather was bad, the football match was not canceled. Despite ____________________________________________ 13. The people will protect the environment now. The environment will be nicer If ____________________________________________ 14. They don’t have a map, so they get lost. If ____________________________________________ 15. The storm destroyed many houses in this village last week. Many houses ____________________________________________ 16. Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because) ____________________________________________ 17. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so) ____________________________________________ 18. We won’t hold the festival. It costs too much money. (if) ____________________________________________ 19. The tortoise was running. The hare was sleeping. (while) ____________________________________________ 20. The girl worked hard. Her stepmother wasn’t happy. (although) ____________________________________________

Câu 1: Viết cú pháp và hoạt động của câu lệnh lặp chưa biết trước. Câu 2 : Viết chương trình bảng nhân 6 sử dụng For...do . Câu 3 : Tác dụng của biến mảng ?

1. Mrs. Robinson will go shopping. (What/ she/buy) …………………………………………………………………………………………………………………………. 2. They are meeting Paul at the station. (When/he/arrive) …………………………………………………………………………………………………………………………. 3. We won’t have a meeting on Thursday. (When/you/have/ a meeting) …………………………………………………………………………………………………………………………. 4. We will go to the cinema. (Where/you/go) …………………………………………………………………………………………………………………………. 5. My parents will go to Hanoi this summer. (How/ they/ travel) …………………………………………………………………………………………………………………………