mọi người giúp em vấn đề này với ah: kể 1 câu chuyện không có thật Tell your partner about something that happened to you or to someone you know. At least one part of the story should be untrue. Use the expressions of telling stories to help you.

Người ta dùng một mặt phẳng nghiêng để kéo một vật có trọng lượng là 500N, lên cao 2m a, Nếu không có ma sát và chiều dài mặt nghiêng là 4m. Tính lực kéo b, Thực tế có ma sát và lực kéo là 280N. Tính hiệu suất của mặt phẳng nghiêng Mn ơi giúp mk nha mk đang cần gấp tí nữa mk thi rồi😥😓😭

ai giúp mình vơi nha sáng nay mình kiểm tra rồi viết một đoạn văn tiếng anh về festival

một người thợ sơn 4 bức tường như nhau hết 4 gio 32 phut hoi nguoi do son 8 buc tuong như thế het bao nhieu thoi gian?

Bình thường a Hùng đi từ A đến B hết 20 phút . Nhưng do có việc gấp nên cần đến sớm hơn 4 phút nên anh đi nhanh hơn 1 phút là 120m ,để đến B kịp thời . Tính khoảng cách AB .

Finish the second sentence in each pair in such a way that it means the same as the sentence before it. 1. My house is to the left of the school →The school is…….……………………………………………………... 2. Her class has twenty six students. →There …………………………………………………………………..……... 3. Do you walk to school every day?  Do you go ………………………………………………………………… 4. Lan is more beautiful than her younger sister. => Lan isn’t ………………….………..……………...…………..………… 5. Mary is ill today, so she won't go to school. => Mary won't go to school today………………………………………………. 6. She likes watching television. => She is interested in……………………….……………………………………… 7. No student in my class is more intelligent than Peter. => Peter is …………………………………………………………….. 8. Let’s have a picnic at Hung King Temple this weekend?  What about ………………………………………………………………………… 9. I started learning English 5 years ago => I have……………………………………………………………………………… 10. My favorite food is chicken -> I like………………………………………………………………………………

Some phrases are removed from the text. Put them in the correct order. One example has been done for you . ____ (1) ____ was going to begin their vacation one day, ____ (2) ____11: 40 am. Mr. Wilson said that it would take them half an hour to get to the airport in the taxi so they all had to be ready by 11 o’clock. At ten minutes to eleven they were still all running around doing things, except Mrs. Wilson, ____ (3) ____ the garden. enjoying the sun. Her husband and the children were very surprised ____ (4) ____, too, until the taxi arrived and Mrs. Wilson said to them, “Well, I knew that this was going to happen, so before I went to bed last night, I moved all our clocks and watches ahead twenty minutes. So now we can go to the airport quietly without____ (5) ____ A. who was sitting quietly on a chair in B. that she wasn’t in a hurry C. and they had to be at the airport at D. worrying about being late. E. The Wilson family

Complete the blank with one suitable word: The elephant is the largest animal to walk on Earth. An elephant can carry a load of 1,200 pounds. They eat 300 pounds of food a day. An elephant baby can weigh 200 pounds at birth. Elephants can live up to 70 years. Elephants can be trained to carry logs with their trunks. They also use their trunks for drinking water, bathing, eating and communicating. There are two kinds of elephants: the African elephant and the Indian elephant. African elephant can be characterized as larger ears. The African elephant grows up to 10 feet and weighs as much as 12,000 pounds. The Indian elephant grows up to 9 feet tall, and weighs up to 800 pounds. The Indian elephant has smaller ears. Another name for the Indian elephant is the Asian elephant. 1.What is the topic of the passage? A. Elephants’ heads B. Elephants’ ears C. Elephants D. Elephants’ trunks 2.How much does a baby elephant weigh at birth? A. 70 pounds B. 200 pounds C. 300 pounds D. 1,200 pounds 3.According to the passage, what option is NOT TRUE? A. Bathing B. communicating C. Sleeping D. Drinking 4.An Indian elephant has __________ than an African elephant. A. a longer tail B. a stronger trunk C. smaller ears D. bigger teeth 5.Which kind of elephant is the heaviest? A. The Indian elephant B. the African elephant C. the Asian elephant D. the Indian and Asian elephant

Một vật khối lương 1kg đang chuyển động thẳng đều trên mặt phẳng ngang với vận tốc 5 m/s. a. Tính động lượng của vật ? b. Trong quá trình chuyển động thì vật va chạm mềm với vật khác có khối lượng 0.2 kg đang đứng yên trên mặt phẳng nằm ngang. Tính vận tốc của 2 vật say khi va chạm.

Read the letter and choose the best answer to fill in each blank of the following passage..(10 points) Dear Mai, I’m writing to invite you to a party we ................... (1) at the flat next Friday, December 14th. As you know, ..................(2) is Lan’s 13th birthday next week and my birthday next month, ................... (3) we thought we’d celebrate together and have a joint party. I can’t remember if you know my address or not, but anyway, if you ...............(4) the direction below, you shouldn’t get lost. Take the Number 15 bus from the station and get off ……….. (5) the Star Hotel. Walk down Long Viet Road, past the DanChu Cinema, and then ..................(6) the first turning on the right. That’s LeLoi Road. Turn ............... (7)at the first junction, then go straight past the church as far as the next crossroads. ..............(8) and our flats is the second on the right. Do try and come. Of course you’re ............ (9) to bring someone with you if you want to. Look forward .............................. (10) you then! 1. A. has B. are having C. to have D. having 2. A. it’s B. it C. they’re D. he’s 3. A. too B. but C. because D. so 4. A. to follow B. follow C. following D. follows 5. A. for B. with C. at D. from 6. A. eat B. do C. take D. bring 7. A. left B. ahead C. of D. on 8. A. ahead B. To right C. To turn D. Turn right 9. A. welcomes B. welcome C. welcoming D. to welcome 10. A. to see B. for seeing C. of seeing D. to seeing