Giúp mk giải câu g f h của câu 2 vs

một đám đất hình thang có chiều cao 21.3 m , đáy bé 15.7 m , đáy lớn 22 . 5 m giữa đám đất ấy người ta đào một cái giếng hình tròn có bán kính 1.5 m tính diện tích phần còn lại của đám đất

Nếu dùng một cái can để đổ đầy nước thì khối lượng của nước có trong can là 3kg. Nếu dùng can này để đựng đầy xăng thì khối lượng của xăng có trong can là bao nhiêu kg? Biết khối lượng riêng của nước là 1000kg/m3; khối lượng riêng của xăng là 700kg/m3

Vì sao quân nhật đảo chính pháp

Ex. 3. Give the correct verbs form. 1. When Hoa arrived at the theater, the film ____________(start). 2. He ____________ (live) in Laos before He went to Vietnam. 3. After Lan ____________ (eat) the cake, Lan began to feel sick. 4. If he ____________ (listen) to me, he would have got the job. 5. Linh didn’t arrive until after I ____________ (leave). 6. When they ____________ (finish) lunch, they went out. 7. The tree was dead because it ____________ (be) arid all summer. 8. I ____________ (meet) him somewhere before. 9. They were late for the flight because they ____________ (forget) their passports. 10. Linh told me she ____________ (study) a lot before the exam. 11. The leaf was yellow because it ____________ (not/rain) all summer. 12. The lamp went off because I ____________ (not/pay) the electricity bill. 13. Hoa____________ (not/do) her homework, so she was in trouble. 14. She ____________ (not/eat) so we went to a restaurant. 15. I couldn’t go into the cinema because I ____________ (not/bring) my tickets. 16. He said that He ____________ (not/visit) the US before. 17. Hoa and Lan ____________ (not/meet) before the exam. 18. I ____________ (not/have) lunch when she arrived. 19. She ____________ (not/use) smartphone before, so I showed her how to use it. 20. Linh ____________ (not/study) for the exam, so she was very anxious.

Vì sao sản xuất nông nghiệp ở châu Âu đạt hiệu quả cao?

ai giúp mình với 1 relaxing texting playing games doingDIY hanging out reading window shopping making crafts making origami surfing the net II. Complete the sentences with the words in part I. 1. I really enjoy ___________ comic books when I have no work to do. 2. He enjoyed sitting in his armchair, ___________ and reading the newspaper. 3. She was always on her phone talking and ___________. 4. Internet addicts spend too much time ___________. 5. ___________ has become very popular with teenagers, especially online games. 6. Helen fancies ___________ with her friends at weekends. 7. He’s useless at ___________. He won’t even put up a shelf. 8. Trang is fond of ___________. She made lots of beautiful bead bracelets and necklaces. 9. ___________ is many girls’ favourite pastime. They take pleasure in lookingat the goods displayed in shop windows. 10. My sister is very good at ___________. She can fold paper into animals, birds, flowers, etc. V. Complete the sentences with the words in the box. leisure virtual satisfied weird addicted hooked relaxing fun 1. It is very __________ to lie on the beach, and listen to the sound of the waves. 2. That’s __________ - I thought I’d left my keys on the table but they’re not there. 3. Many teens are __________ on social networks like Facebook, Twitter and Instagram. 4. The website allows you to take a __________ tour of the art gallery. 5. He was not __________ with the camera, so he took it back to the store. 6. Bird-watching is an increasingly popular __________ activity. 7. Hanging out with friends is __________. I really enjoy it. 8. Are you __________ to Facebook, Twitter, Tumblr, or Instagram? VI. Complete the sentences with the correct form (to-infinitive or -ing form) of the verbs in the box. Some verbs can be followed by either a to-infinitive or an -ing form. stay make watch do cycle eat hang out travel get read 1. My brother loves _____________ live football on TV. 2. Do people in your country like _____________ abroad on vacation? 3. Riding a bike is Lan’s pleasure, but she detests _____________ in the rain. 4. I don’t mind _____________ at home to look after the children. 5. As a child, he hated _____________ books, but now he finds it enjoyable. 6. Minh is in good shape. He enjoys _____________ sport and exercise. 7. She doesn’t like _____________ up early in the morning, especially at the weekend. 8. Emily dislikes _____________ crafts, but she enjoys origami. 9. I fancy _____________ out tonight because I’m too tired to cook. 10. Nancy adores _____________ with her best friend Helen. VII. Complete the sentences with the to-infinitive or -ing form of the verbs in brackets. 1. I have enjoyed ___________ (meet) you. Hope ___________ (see) you again soon. 2. My father is not keen on coffee. He prefers ___________ (drink) tea. 3. I am a little busy. Would you mind ___________ (wait) a little longer? 4. Mobile games are great, but I don’t like ___________ (play) them for too long. 5. If I can choose, I prefer ___________ (stay) at home to ___________ (play) sport. 6. Tonight I’d like ___________ (go) out, but I have to do my homework. 7. Sue loves ___________ (make) origami. She can fold some animals, birds and flowers. 8. I detested ___________ (spend) two hours every day travelling to work and back. 9. He started ___________ (surf) the net hours ago. Has he stopped ___________ (surf) yet? 10. I tried hard ___________ (concentrate), but my mind kept ___________ (wander). VIII. Complete the correct answer a, b, c or d. 1. How much time do you spend _______ TV every day? a. watch b. to watch c. watching d. in watching 2. I’d hate _______ the exams, so I’m doing my best. a. failing b. to fail c. fail d. failed 3. I always enjoy _______ to my grandfather. He always tells me great stories. a. to talk b. to talking c. talking d. talk 4. Could you help me _______ the kitchen? It’s a real mess! a. tidy b. tidied c. tidying d. with tidying 5. Steven dislikes _______, so he usually takes a bus to work. a. to drive b. to be driven c. be driven d. driving 6. Jane prefers _______ music than to listen to it. a. playing b. play c. to play d. played 7. Marlene can’t wait _______ to the beach again. a. to go b. going c. for going d. go 8. I really regret _______ this computer – it’suseless. a. buy b. to buy c. buying d. for buying 9. Your child needs _______ some weight. Tell him _______ less junk food and more exercise. a. to lose - eat b. to lose - to eat c. losing - to eat d. losing - eat 10. I would love _______ to your party! Thank you for inviting me. a. come b. coming c. to come d. came

Giúp mk nhanh câu này đi mk gấp lắm

1. Kể tên 2 các sự việc hiện tượng đáng biểu dương và 2 sự việc hiện tượng đáng lên án mà em biết.

Một lượng khí ở 100oC có áp suất 1 atm ở trong một bình kín. Coi như thể tích bình không đổi. Làm nóng bình đến 150oC thì áp suất của khối khí trong bình sẽ là