Một mảnh vườn hình chữ nhật co chiều dài là 10,34 m và chiều rộng là 5,7 m. Tính chu vi và diện tích mảnh vườn ( làm tròn đến hàng đơn vị )

More than 90 percent of teenagers nowadays use social media. The increasing usage of social media has led to (21)________ large number of teenagers to be bullied or become a bully online. Cyberbullying, a (22)___________ to describe bullying that happens on technology platforms, is a serious problem. Studies show that teenagers often say mean thing and hurt other people because they are not aware of the effect of their action. When you socialize in real life, facial expressions and body language allows you (23)_________ what you say can be hurtful. The same thing cannot be said about when you socialize, using social media. Teenagers also bully because they can get away with it. Teens can (24)_________ bully their peers online without facing any real consequences. Being bullied can lead to (25)______, low self-esteem or suicide thought. Cyberbullying also (26)__________ the bullies who often have problem like violence tendency, alcohol and abuse. 21. A. a B. an C. the D. no article 22. A. way B. mean C. term D. kind 23. A. realize B. to realize C. realized D. realizing 24. A. easy B. easily C. easier D. the easiest 25. A. depression B. happiness C. cheerfulness D. pleasure 26. A. effect B. effects C. affects D. affect

giúp em vs em cần gấp hứa vote 5s ạ

1. They looked very ……………. when they came to see us last night. a. cheer b. cheerful c. cheerfully d. cheered 2. “What’s Mai doing?” “ I’m not sure. She ………….. her homework.” a. might do b. may be doing c. must be doing d. must do 3. It took us quite a long time to get here. It was …………. journey. a. three hour b. a three-hours c. a three-hour d. three hours 4. I asked two people the way to the station but ………….. of them knew. a. none b. either c. both d. neither 5. They have to take that English course, …………. they? a. haven’t b. mustn’t c. needn’t d. don’t 6. I had to wear ………….. uniform when I worked in the hotel. a. a b. some c. any d. an 7. He required that everybody ……………. present. a. is b. should be c. have been d. was 8. Mike was not feeling well ,so we gave him ……….. work to do than you. a. fewer b. less c. little d. least 9. I don’t see any ……… in arriving early at the theater if the snow doesn’t start until 9 o’clock . a. cause b. aim c. point d. reason 10. The taxi drivers are complaining that their fares are too……………. . a. small b. little c. low d. few

Bài tập 1. Xác định chủ đề và chỉ rõ biểu hiện tính thống nhất của chủ đề trong văn bản Sông núi nước Nam

Dẫn 4,48 lít CO2 qua dung dịch có hòa tan 0,15 mol Ba(OH)2 thì thu được dung dịch(G) và kết tủa (H) a.Tính khối lượng(H) b.Nung(H) đến khối lượng không đổi thì còn lại bao nhiêu gam chất rắn c.Đun(G) thì thu được tối đa bao nhiêu lít khí

Dịch hộ em câu này sang tiếng Anh cấm dùng dịch gg "Nói xấu nước khác để tôn lên vẻ đẹp nước mình sao ?"

Ai giải nốt cho em vs ạ dừng chép mạng ai làm dược em cho 5 sao ạ

a) Công thức tính điện trở dây dẫn

5. Some people deny the connection ______ smoking ______ill health. A. of / and B. of / with C. between /and D. of / to 6. Let's get her ______us some water. A. to bring B. brings C. bring D. bringing 7. He spoke in ______that we couldn't hear him. A. such a low voice B. such low voice C. so softly D. such a loud voice 8. People have different ways of preparing______ exams. A. in B. to C. with D. for 9. He lighted the candle ______ I might read the note. A. so that B. as long as C. because D. and 10. George took ______ of the fine weather to do a day's work in his garden. A. notice B. chance C. advantage D. charge 11. Is this______difficult exercise you’ve ever done? A. the more B. the most C. more D. most 12. Tears not only ______foreign subtances from the eyes, but also contain chemicals that fight many common pathogens. A. washing B. are washing C. wash D. for washing 13. If I won the lottery, I _______you half the money. A. had given B. give C. gave D. would give 14. Cheese __________ from milk. A. made B. is made C. was made D. is making