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Đốt cháy hoàn toàn 1,15 gam hợp chất hữu cơ X sau phản ứng thu được 1,12 lít khí CO2 và 1,35 g H2O Viết phương trình phản ứng
II. VOCABULARY AND GRAMMAR A. Fill in the blank with the correct form of verbs in the brackets . 1. Finally I (stop)... .smoking. I (try).........to give it up for many time. 2. Tomorrow, we (play)...tennis instead of football.Would you like to join us? 3. If you (type)... ..the report, you can go home. 4. If I had known who he was, I (ask).... him to marry me 5. Most of the Earth's surface (cover).....by water B. Give the correct form of words in the brackets 1. Oil spills are a great (threaten)...to the undersea world 2. Animals living in the (wildlife).. .....need protecting. 3. She is beautiful but she is not able to (performance)....... In front of the camera 4. The regulations of the competition will be announced (official).. ......on TV next week C. Choose the best answer to complete ech of the following sentences 1. Do you know exactly..................number of Siberian tigers in China? A. the 2 . B. an C.Ø D. 2 ..is the cake made? It's for Mary because today is her birthday B. what for A. whom C. who D. for whom 3. Does that species still...now? A. surprise B. exist C. contain D. abandon 4. We need this contract - hundreds of jobs are... stake A. at B. on C. under D. In 5. Milk is often added to....................tea in.............UK. A. the,the B. a/a He C. 0/the D. the/a 5. He was an............story teller. We were......and laughed a lot A. Amusing/ amusing B. Amused/ amused C. amused/ amusing D. Amusing/amused
Những hoạt động của Nguyễn Tất Thành từ năm 1911 đến 1920
Trình bày phương pháp cứu người bị nạn ra khỏi mạng điện ( Trường hợp cắt được mạch điện )
Giá trị thặng dư siêu nghạch được sử dụng phổ biến trong giai đoạn đầu của các doanh nghiệp đúng hay sai cho ví dụ
Câu 33 help me,................
đặt các động từ trong ngoặc ở thì tương lai 1.what (you,do).............this evening 2. I'm a little busy. I (have).................time to help you with your homework later though 3. Mr. Brown (give)................... us a grammar test tomorrow 4. You (help).................... your friend after class, wwon't you? 5. Kim (cook)................something tasty for dinner tonight. Will you try it? 6. Next year, the university (change).........................its entrance requirements 7. We (move)..............to the new campus in 2010 8. (you, do).................camping with our club on saturday? 9. (you, do)................. to canda on your vacatinon 10. Our friends (meet)...................us in front of the Sears department store 11. Miss brown (make).................a new list tonight. 12. We (ask)..............a policeman which road to take. 13. My wife (call)....................on you tomorrow 14. I (have)......................my lunch at twelve o' clock. 15. He (be)..................here on Wednesday.
công thức tính vũ kế? giups e vớii
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