tia tới hợp với phương nằm ngang 1 góc bằng 60o. Tìm góc phản xạ để: Tia phản xạ theo phương nằm ngang chiều từ phải sang trái GIÚP Ạ!!! EM ĐÁNH GIÁ 5 SAO

mời các cao nhân a////////////////////

mời các cao nhân ạ/////////////////

VIII. Turn these sentences into the passive voice. 3. Someone will pay you in ten days. 4. They chose him as the best actor of the year. 5. The cat has broken many bowls and dishes. 6. Clement Clarke Moore wrote the poem “A Visit form Saint Nicholas” in 1823. 7. Someone has already paid the electrician for his work. 8. People celebrate Tet round the last of January and the beginning of February. 9. They taught him French and gave him a dictionary. 10. Nguyen Hue School will hold an English-speaking Contest next month. 11. A man requested the stranger to leave the meeting. 12. They have eaten all the dinner since they finished the conversation nhớ giài thích vì sao nha ( chỉ cần bảo câu đấy thuộc loại câu gì và chuyển chuyển gì thôi huhuhu) làm gấp nhé mọi người chết tui rùi =((

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. 18-19-20 18. My family has four people. * 5 điểm A. There is four people in my family. B. There are four people in my family. C. There are four people in your family. D. My family is four people. Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs CORRECTION in each of the following questions. Question 19-20 19. ( A) How do you (B) watch TV? – (C) Once or twice (D) a week. * 5 điểm ( A) How (B) watch (C) Once or twice (D) a week. 20. My hometown(A) is (B) the best (C) beautiful place (D) in the world. * 5 điểm (A) is (B) the best (C) beautiful place (D) in the world.

Miền khí hậu nào có mùa mưa lệch về thu đông A.miền khí hậu phía bắc B.miền khí hậu phía nam C.miền khí hậu đông trường sơn D.miền khí hậu biện đông VN

Ko tra Qanda , đây là kiến thức đầu năm lớp 8 nên những kiên thức chưa học đến ko sử dụng

mn giup minh nha minh can gap lam ai lam dc minh cho ctlhn va 5* :{

D.WRITING Question I. Rewrite the following sentences with the words given: 1. My father started to work in this factory last week Ò My father has………………………………………… 2. He started living in Ho Chi Minh city when he was 8 Ò He has ………………………………………………………………………… 3. He learnt English when he was 18 Ò He has ……………………………………………………………………………… 4. They have worked in that factory for five years. Ò They began …………………………………………………………….. 5. We have learnt English for four years. Ò We started........................................................................................................... 6. I saw her 10 years ago. Ò I haven't............................................................................................................... 7. They started checking the machines two hours ago -->They have …………………………………………………………………………… 8. They started building the bridge two years ago --> They have…………………………………………………………………………….. 9. Nam started learning English in 1998 --> Nam has……………………………………………………………………………. 10. Khanh started playing computer games in 2002 --> Khanh has…………………………………………………………………………….. Question VIII. Rewrite sentences without changing meaning of the original ones. 1. We last went to Spain three years ago. => It is__________________________________________________________________ 2. We arrived in Budapest two days ago. (FOR) =>We___________________________________________________________ two days. 3. I have visited the Stone Forest once before. (SECOND) => This is the___________________________________________________ the Stone Forest. 4. Dung is very fond of travelling. (KEEN) =>Dung is_______________________________________________________________

giúp mình với!!!!!!!!!!!!!! Đề bài là đưa thừa số vào trong dấu căn