M9ji người giải giúp em với ạ ..

Viết một đoạn văn ngắn về :em có suy nghĩ gì về hiện tượng hạn hán và ngập mặn ở nam bộ

Chiếu một tia sáng từ không khí vào thủy tinh với góc tới i thì tia sáng bị lệch 1 góc 15 độ.Chiết suất của thủy tinh là n=1.6.Tính góc tới i và góc khúc xạ

Bài 1: Đọc kĩ đoạn văn sau rồi trả lời câu hỏi: Huống gì thành Đại La, kinh đô cũ của Cao Vương: Ở vào nơi trung tâm trời đất; được cái thế rồng cuộn hổ ngồi. Đã đúng ngôi nam bắc đông tây; lại tiện hướng nhìn sông dựa núi. Địa thế rộng mà bằng; đất đai cao mà thoáng. Dân cư khỏi chịu cảnh khốn khổ ngập lụt; muôn vật cũng rất mực phong phú tốt tươi. Xem khắp đất Việt ta, chỉ nơi này là thắng địa. Thật là chốn tụ hội trọng yếu của bốn phương đất nước; cũng là nơi kinh đô bậc nhất của đế vương muôn đời. Trẫm muốn dựa vào sự thuận lợi của đất ấy để định chỗ ở. Các khanh nghĩ thế nào? a)Đoạn văn trên được trích từ văn bản nào? Tác giả là ai? b)Đoạn văn là lời của ai, nói với ai và nói để làm gì? c)Khi kết thúc bài, tác giả không ra lệnh mà lại đặt câu hỏi: “Các khanh nghĩ thế nào?”. Cách kết thúc như vậy có tác dụng gì? Bài 2: Viết đoạn văn khoảng 9-12 câu theo lối tổng phân hợp, chứng minh rằng: “ Đại La xứng đáng là kinh đô bậc nhất của đế vương muôn đời.” Trong đoạn có sử dụng một câu phủ định. Chỉ rõ.

I- Fill in the blank space with the correct from of the words in parentheses : 1. The demand for energy and fuel is expected to increase …………… (dramatic) 2. My sister feels quite …….................................... with her present job (satisfaction) 3. She lives in a ……………………………….…….. area of the country. ( mountain) 4. It was very ………… of you to leave the medicine where the children could get it. (care) 5. Polluted water can ………………… do harm to people’s health. (direct) 6. We’ll live a happier and .............................. life if we keep our environment clean. (health) II. Rewrite the following sentences without changing their meanings. 1. Why don’t you go to school by bus? I suggest …………………………………………………………………………………. 2. If you don’t start working hard now, you won’t be able to pass the final test. Unless……………………………………………………………………………………. 3. He wants her to sing a song. He suggests…………………………... 4. He couldn't go to work because of his sickness. As………………………………… 5. It’s too loud, so I can’t hear you clearly. Because……………………………………………………………………………………. 6. Let’s do the test quickly. I suggest that ………………………………………………………… 7. Let’s use public buses instead of motorbikes I suggest that ……………………………………………………………………………… 8. What about watering the trees in the schoolyard after class? I suggest that ……………………………………………………………………………… III. Make the sentences. 1. Energy – saving bulbs / should / use / save / electricity / ………………………………………………………………………………………………. 2. / If/ you/ try/ your best/ do/ this test/ you /get/ good marks ………………………………………………………………………………………………. 3/ We / have / the meeting / the small room / last week. ………………………………………………………………………………………… 4. He / not / accustomed / the / hot weather / yet /. …………………………………………………………………………………………….. 5. I / think / we / turn / all / lights / fans / before / leave / the classroom ……………………………………………………………………………………………….. 6. How about / take / a shower / instead / a bath / save / water/ ? / ……………………………………………………………………………………………….. 7. Ba / study / hard/ so / pass / next / examination. …………………………………………………………………………………………. 8. If / pollution / go on / what / happen/? IV. Fill in each blank with correct word. are / power / pollution / cheap / from / solar / roof / program/ stored/ instead Are you looking for a(1) ………………, clean, effective source of power that doesn’t cause (2) ……… or waste natural resources? Look no further than solar energy from our Sun. At present, most of our electricity comes (3) …………….. the use of coal and gas, oil or nuclear (4) …… This power could be provided by the sun. One percent of (5) ……………….. energy that reaches the Earth is enough to provide power for the total population. Many countries (6) ………………….. already using solar energy. Solar panels are placed on the (7) ………… of a house and the Sun’s energy is used to heat water. The energy can be (8) …………… for a number of days, so on cloudy days you can use solar energy, too. Sweden has an advanced solar energy(9) ………………….. There, all buildings will be heated by solar energy and cars will use solar power (10) ………….. of gas by the year 2015. các bạn giúp với cần gấp

Hà đi mua sách toán và Văn. sách văn đc giảm 8%, sách toán đc giảm 10 % và Hà đc giảm tất cả là 10000 đồng, Hà trả tổng cộng 110000 động.hỏi giá thực của 2 sách

chuyển câu sau thành câu bị động :Police were questioning Tom.

Làm giúp mik ko spam mik báo cáo :)

Choose the best answer to complete the blank in each of the following sentences. 7. This room__________since I was born. A. has been painted B. was painted C. painted D. has painted 8. What__________ you__________if you __________a billionaire? –I would take a trip into space. A. will/do / are B. would/do / were C. can/do/was D. shall/do / are 9. Have you seen the Titanic yet? _ No, I haven't. I__________it next Saturday. A. would see B. will see C. am going to see D. see 10. After__________dinner, I often watch TV. A. ate B. eat C. eaten D. eating 11. Tom said that he __________his motorbike the day before. A. had lost B. lost C. has lost D. lose 12. Do you believe__________God? A. at B. of C. about D. in 13. Air and water are necessary__________us. A. of B. for C. with D. to 14. The beautiful woman has a busy__________life. A. society B. socialize C. social D. socializing 15. English has become the main language of__________. A. communication B. communicate C. communicant D. communicative 16. Do you think doing the household chores is the__________of the women only? A. responsibly B. responsible C. responsibility D. responsive 17. He did some odd jobs at home__________. A. disappointment B. disappointedly C. disappointed D. disappoint 18. "I have bought you a toy. Happy birthday to you!" –"__________" A. What a lovely toy! Thanks. B. Have a nice day! C. The same to you! D. What a pity! 19. " Your hairstyle is terrific, Cindy" – "__________" A. It's nice B. You're welcome C. Not at all D. Thanks, Peter 20. When students finish the secondary education, they have to take a(n)__________called GCSE. A. check B. examination C. interview D. test 21. I spoke very slowly __________he didn't understand English very well. A. to B. so that C. because D. so 22. When being interviewed, you should concentrate on what the interviewer is saying or asking you. A. be related to B. express interest in C. be interested in D. pay attention to 23. "I'm going away tomorrow, mother."_ Leo told his mother that__________away the__________. A. he was going / following day B. I'm going / day after C. I was going / day after D. he's going / following day 24. " It was nice of you to give me the present. Thank you" Ben said to Mary. Ben thanked Mary__________the present. A. of giving him B. it had been nice of her to give him C. for giving him D. that she had been nice to give him 25. Shakespeare wrote " Romeo and Juliet" in 1605. A. "Romeo and Juliet" were written by Shakespeare in1605 B. "Romeo and Juliet" was written by Shakespeare in 1605. C. "Romeo and Juliet" was written in 1605 by Shakespeare. D. "Romeo and Juliet" were written in 1605 by Shakespeare 26. The hurricane has totally destroyed the villages._ The villages__________by the hurricane. A. have been totally destroyed B. has been totally destroyed C. have totally been destroyed D. has totally been destroyed 27. If you don't work much harder, you won't pass the exam. Unless you__________much harder, you__________the exam. A. work/ will pass B. don't work/ will pass C. don't work/ won't pass D. work/ won't pass 28. My sister is often sick because she doesn't do physical exercise. A. If my sister does physical exercise, she won't often be sick. B. If my sister isn't physical exercise, she does sick. C. If my sister did physical exercise, she wouldn't often be sick. D. If my sister wasn't physical exercise, she would do sick. 29. The river from__________we get our water- supply is nearly empty. A. whose B. that C. where D. which 30. My father wants to speak to you. You met him yesterday. My father__________you met yesterday, wants to speak to you. A. whose B. whom C. whom D. that

Thế nào là dùng cụm chủ - vị để mở rộng câu? Cho một ví dụ (không chép lại ví dụ đã học) và xác định câu em vừa đặt thành phần nào được mở rộng?