7. B
8. A
9. B
#chuchoctot
Xin hay nhất ạ!!!!!!!!!!!!!
Mọi người ơi giúp em câu này với ạ em cảm ơn hứa vote 5 sao ạ
Bài 4 nhé Yêu cầu: giải chi tiết kèm thêm hình và gt kl ! CẦN GẤP Cấm sao chép
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Mn giải giúp mik vs🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
I. Underline the correct preposition. 1. A Chinese official made paper of/ in/ from/ on wood pulp in 105. 2. The first papermaking machine was invented at/ in/ on/ from the late 1700s from/ of/ by/ to a Frenchman. 3. The factory foreman is showing them round/ to/ in/ into the factory. 4. “What is this button in/ beside/ like/ for?” “ It’s used to operate the machine.” 5. “Who(m) was the helicopter invented for/ of/ from/ by?” “Igor Sikorsky” 6. Don't go away. Come and stand besides/ inside/ beside/ next to me. 7. Cocoa butter is added, along to/ of/ with/ in sugar, vanilla and milk. 8. Pour a little milk in/ from/ out/ into my cup of coffee, please. II - Change the sentences into passive voice. 1. Alexander Bain invented the facsimile in 1843. ..................................................................................................... 2. They dry the beans in the sun. ..................................................................................................... 3. People can make payment at any post office. ..................................................................................................... 4. How do people learn English? ..................................................................................................... 5. They are going to build a new supermarket next year. ..................................................................................................... 6. Where did you take these photograghs? ..................................................................................................... 7. The foreman is showing the students around the factory. ................................................................................................... 8. I will translate the instructions into French. ..................................................................................................... 9. Has the council postponed the meeting? ..................................................................................................... 10. They were cleaning the room when I arrived. ..................................................................................................... 11.We haven’t finished our homework yet. ..................................................................................................... 12. People say the computer is one of the most important inventions. I. Choose the word that has the underlined part pronounced differently from the others. 1.a.access b.adjust c.freshman d.disagree 2.a.computer b.printer c.entertain d.concern 3.a.knob b.post c.monitor d.positive 4.a.bought b.found c.without d.output 5.a.way b.without c.want d.wrong II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 6. Tom _____ his flu shot, so he probably won’t get the flu this year. a. already had got b. already has got c. has already gotten d. is already gotten 7. ‘How long____.Tom?’‘Since we were kids.’ a. have you know b. have you known c. did you know d. do you know 8. I have no idea where she is. a. do not know b. don’t care about c. don’t think about d. don’t take care of 9. The information was restricted _____ teachers. a. for b. of c. on d. to 10. _______ durian when you lived in Malaysia? a. Have you ever eat b. Did you ever eat c. Do you ever eat d. Was you going to eat 11. Could you turn the oven______if you’re going in the kitchen? a. off b. in c. up d. over 12. _____ is a machine that prints words from a computer. a. Printer b. Monitor screen c. Input tray d. Bulletin boards 13. They won’t let him _____ the country. a. to leave b. leaves c. leave d. leaving 14. What’s wrong______the engine? It’s making an awful noise. a. with b. to c. of d. about 15. We agree_____early. a. to start b. starting c. start d. with starting III. Choose the words or phrases that are not correct in Standard English. 16.I have already cleaned the floor, but I still need dust the furniture. 17.Marion filled the kettle and plugged it on. 18.Donald came out off his office, looking tired and worried. 19. Study is no longer restricted on just one location. 20.He had not idea how difficult the job was. IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces. Not so long ago, people only used the (21) _____to make phone calls. Now, thanks to computers, people use their phones (22) ____much more. They can bank by phone, rent videos (23)_____phone, and even shop by phone. It is also possible (24) _____letters and reports by faxing them over telephone lines. People can even use their phone lines to (25) ________ messages from one computer to another computer by (26) _________ mail, or e-mail. 21. a. fax machine b. telephone c. computer d. dishwasher 22. a. do b. doing c. to do d. to doing 23. a. with b. by c. in d. at 24. a. send b. sending c. to send d. to sending 25. a. take b. leave c. send d. write 26. a. electricity b. electrical c. electric d. electronic
Làm hộ mk bài 2 và bài 3 với (Giải thích rõ bài sao chia như vậy ở bài 2, sửa lại bài 3 và cho biết lí do)
Câu 4(3đ): Cho tam giác ABC nhọn và cân tại A, đường cao AH (H∈BC). a/ Hai tam giác ABH và ACH có bằng nhau không? Vì sao? b/ Tia AH có phải là tia phân giác của góc BAC không? Vì sao? c/ Kẻ tia phân giác BK (K ∈ AC) của góc ABC. Gọi O là giao điểm của AH và BK. Chứng minh rằng CO là tia phân giác của góc ACB.
Lm giúp cậu này nha cần gấp 2–x/4=3x–1/-3
Cho hình chóp SABCD. ABCD là hình thoi tâm Ở cạnh a. Góc BAD=60°. SO vuông góc với (ABCD). Góc giữa SC và đáy bằng 60°. Tính khoảng cách a)O đến (SBC) b)A đến (SBC) c)AD đến (SCD)
Một cái bình có dạng là một hình nón được đựng đầy nước . Mặt cắt qua trục của hình nón là một tam giác đều có cạnh bằng 12cm . Người ta thả nhẹ một khối cầu bằng kim loại vào bình thì khối cầu được đặt vừa khít trong hình nón (hình vẽ). Hỏi sau khi nhấc nhẹ khối cầu ra khỏi bình thì cột nước còn lại trong bình có chiều cao là bao nhiêu ?
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