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Tìm hai số tự nhiên a và b (a>b) có BCNN bằng 336 và WCLN bằng 12.

IV. Complete each sentence with the correct form of one of the following verbs. Use each verb only once: know – land – be – phone – spend – live – break – find – not rush – own 1. It would be very embarrassing if she ________________ out the truth. 2. If some aliens _________________ on earth, I’d make friends with them. 3. If I were you, I ________________ more time practicing English. 4. If the eggs _______________ , there will be an awful mess on the floor! 5. If they ____________ Joe to the hospital, he would have died. 6. What would you go if you ___________________ a robot? 7. If I _______________ it was your birthday, I’d have sent you a card. 8. I _________________ more careful if I were you. 9. How would we feel if we __________________ on Mars? 10. If you ___________________ me yesterday, I’d have given you the news. V. Match a line in column A with a line in column B to make a complete sentence. A 1. More tourists would come to this town 2. If she had known the whole story 3. He would be better –looking 4. He would fall ill 5. If we had more rain 6. If you arrived ten minutes earlier 7. The whole machine would fall to piece 8. You wouldn’t have got into trouble 9. What would you do 10. If people weren’t so greedy B. a. our crops would grow faster b. if the lift got stuck between two floors ? c. if you removed that screw . d. the world would be a better place e. if it had a better climate f. unless he stopped working so hard g. she wouldn’t have been so angry h. you would have got a seat i. if you had obeyed my instructions j. if he didn’t have such a big nose VII. Complete the second sentence so that it has a similar meaning to the first one. Use between two and five words, including the word given. 1. Our air-conditioning isn’t working and we feel very hot in here. (were) If our air-conditioning ………….....................................................……….. . 2. I think you should pay more attention to your work. (would) If I were .......................................................... more attention to my work. 3. Sue doesn’t speak French well enough to find a job in Paris. (Better) If Sue................................................................. find a job in Paris. 4. You can’t make a cake without flour. (have) Unless you....................................................................... make a cake. 5. Steve feels rather sick because he ate so much last night. (so) If Steve ..................................... last night, he wouldn’t feel so sick now. 6. I didn’t notice you. That’s why I didn’t greet you. (would) If I ..............................................., ................….. have greeted you. 7. If nobody tells him, he’ll make the same mistake again. (unless) He’ll make the same mistake again ............................................. him. 8. I didn’t sleep well last night. That’s why I feel very sleepy now. (so) If I had slept well last night, ........................................................................ now. 9. In my opinion, you should discuss the matter with the lawyer. (were) If I.......................................................................... the matter with the lawyer. 10. He is in the prison now because he stole the money. (wouldn’t) If he hadn’t stolen .............................................................................. in prison now.

Viết lại câu ạ 1.They have just sold that old house. The old house……………………………………. 2.It was such a hard cake that I couldn’t eat it. The cake…………………………………….. 3.I last heard this song ten years ago. It is……………………………………. 4.It was a two- hour flight from Hanoi to HoChi Minh city. It took……………………………………………………… 5.We don’t have enough money, so we can’t buy that house. If we……………………………………………………….. 6.Although he took a taxi, Bill still arrived late for the concert. Despite………………………………………………………. 7.” Where does your brother work?” she asked me She asked…………………………………………………. 8.I haven’t seen Liz for six months. The last time………………………………… 9.Study harder or you won’t pass the exam. If you………………………………. 10.Hoa went to bed early because she was tired. Hoa was……………………………………

Giúp mình với mình cần gấp Thank

Cho các số thực dương $a,b,c$ thỏa mãn $a+b+c=1$. Chứng minh rằng $\frac{a}{2a+b^{2}}+\frac{b}{2b+c^{2}}+\frac{c}{2c+a^{2}}\leq \frac{1}{7}\left ( \frac{1}{a}+\frac{1}{b}+\frac{1}{c} \right )$

Tả Lượm Tầm 1 trang rưỡi Ko chép mạng nha vì mình đã đọc hết r

Viết đoạn văn khoảng 2/3 trang giấy thi trình bày suy nghĩ của em về ý kiến sau : Chăm sóc bảo vệ trẻ em là một trong những vấn đề cấp bách , có ý nghĩa toàn cầu .

7. Fill in the blanks with the correct form of the words in capital letters. 1.________________, her illness was more serious than we thought. FORTUNATE 2. My grandfather can read______________. GOOD 3. The air is heavily_______________with traffic fumes. POLLUTE 4. A lot of toys encourage children’s______________. IMAGINE 5. You had better do some_______________for the final exams. REVISE

Hoa có thể được thụ phấn nhờ những cách nào ???