1,5+1,7-2,8+6,39=? mn giúp mình với

Điền vào chỗ ... để được khẳng định đúng.(áp dụng các HĐT)

Bài 5. Chuyển các câu sau sang số nhiều. 1. It is a ruler 2. There is a desk in the classroom.(3) 3. This is a flower. 4. There is a bench in the room (5). 5. That is my book. 6. The ruler is on the table. 7. What is this? 8. Is that your student? 9. Who is this? 10. Where is my color pencil? Bài 6: Điền giới từ phù hợp 1. Stand ............ 2. Sit ............................ 3. Come ............... 4. I live ..........a Street. 5. I live ............... a house . 6. I live ....... VN. 7. I live ..... Le Loi Street. 8. I live ........ 326 Tran Phu Street. 9. I live ..... HCMC. 10. What’s this ............. English? EM CẦN NHANH , GẤP VÀ ĐÚNG

Khi nhân một số với 781 , do sơ xuất một bạn đã đặt các tích riêng thẳng cột với nhau như trong phép cộng nên được tích sai là 438. Tìm tích đúng.

Mọi người giải dùm câu 1,câu2,câu,3,câu,4 giải lời giải chi tiết ạ e đg cần gấp ạ .e cảm ơn mọi người rất nhiều ạ giải gấp dùm đi ạ🥰😥😭

giúp mk cần gấp mình đánh 5 sao nha

(Almost/Most) people here can speak English well

Cho 2,24 lít khí CO 2 đktc tác dụng với NaOH. Khối lượng muối thu được là:

I. Listen and choose the correct missing words.(1.2pts) 1. Can I go to a ………? A . movie B. theater 2. Let me have a look at the………. A. magazine B. newspaper 3. We have to wait for mommy because …………………………. right now A. she's at a meeting B. She isn’t wearing her uniform 4. Where would you like to………………….. to? A. go on a walk B. ride around II.. Listen the following conversation . The write true (T) or false (F). (1.2pts) 1. The movies start in the afternoon at 2:55. 2. They are going see the movie 3. The girl likes to go through the park. 4. Maybe they can go out to eat tonight. B. USE OF ENGLISH (2.5 pts) I. Choose the word that has the underlined part is pronounced differently from the others.(0.4pt) 1. ​A. bird - watching​B. away​C. answer​D. common 2. ​A. allergy​ B. atmosphere ​C. teenager​ D. calorie II. Choose the word whose main stress is placed differently from the others. (0.2 pt) 1. A. tutor​B. shelter​C. mural​D. volunteer III. Choose the best answer by circling A, B, C or D: (1.2 pts) 1. Don’t read in bed ______ you want to harm your eyes. A. if ​B. unless​C. or ​D. so 2. She loves ______ flowers and putting them into different vases. A. buying ​B. to buy ​C. buy ​D. bought 3. If you want to live long, you ______ eat more vegetable and fruit. A. should ​B. shouldn’t ​C. had to ​D. needn’t 4. These people live in the mountains, _________ they have a lot of fresh air. A. so​B. because ​C. but​D. or 5. There are _______ bottles of milk in the fridge. A. any ​B. lot of ​C. much ​D. many 6. She ………… thirteen on her next birthday. A. will be B. is C. was D. has been 7. It is _____ to eat so much junk food. A. healthy ​B. unhealthy ​C. healthful ​D. health IV. Use the correct form of the verbs in brackets (0.5 pt) 1 ………….. you (visit)...........................last summer? 2. I ……….. just………..(buy) a ticket. I'm going to the movie at 8 o’clock this evening. C. READ (2.5 pts) I. Read the passage carefully then decide whether the following statements are true (T) or false (F). (1.0 pt) Nam likes sugar and sweet things. He often has an ice-cream and a chocolate cake after meals, but he only cleans his teeth once a day. He doesn’t like going to the dentist. Yesterday, Nam went to see the dentist because he had a terrible toothache. The dentist filled his tooth and gave him some medicine. The dentist told him not eat too much sugar and he should brush his teeth after meals. T F 1. Nam often has apples after meals . 2. He only cleans his teeth once a day. 3. Nam went to see the dentist because he has a headache. 4. The dentist filled his tooth and gave him some medicine. II. Read the passage carefully then answer the questions. (1.5 pts) The environment is the most important thing for our life. The environment is the air we breath, the water we drink and is everything we need for our life. This pollution affects the health of living things. But only we can change it and solve it. First we can use recycled paper to help save trees. Second try to avoid buying plastic. To protect the environment we also have to save energy. Finally, we now know that environment is the most important thing for life . Everyday we invent and find more and more way to protect the environment. I hope that in the future the earth will be cleaner. Questions 1. Is the environment the most important thing for our life? 2. What does this pollution affect? 3. What can we use to help save trees? 4. What do we try to avoid buying? 5. What does the author hope that in the future?  D. Write (2,6) I. Rewrite the following sentences without changing the meaning: (1.pt) 1. This room is very bright.à What……………………………………………! 2. I started playing soccer 5 years ago.à I have............................................................................................. 3. My school is not the same as your school.à My school is....................................................................... 4. Nick enjoys carving eggshellsà Nick’s hobby …………………… II. Write an email from 70à 100 words about your hobby and what you have done for the community (1.6 pts) . ………………………............................................................................................................………………………............................................................................................................………………

Mặt trăng là vệ tinh tự nhiên duy nhất của Trái Đất và là vệ tinh tự nhiên lớn thứ năm trong Hệ Mặt Trời, có đường kính bằng 27,3% đường kính Trái Đất. A/Một quả địa cầu mô hình có đường kính 16 cm ( Tỷ lệ: 1/80000000). Tính bán kính thực tế của Trái Đất khoảng bao nhiêu km? B/ Tính khối lượng của Mặt Trăng biết Mặt Trăng là một hình cầu và tỉ trọng trung bình 3,334 g/cm khối (π=3, 14)