Giúp tui vs ạ cảm ơn bạn nhiều lắm

Cho 5,3g Na2CO3 vào 50 ml dung dịch BaC1 1,07M (D = 1,069g/ml), lọc bỏ kết tủa thu được 50 ml dung dịch Z.chất tan là j . Nồng độ dd tính đươcj

A: '_____ their homework?' B: 'Yes, they _____ it when they arrived from school.' 1.Have the kids done / did 2.Did the kids do / did 3. Did the kids do / 've done

Sau khi học xong bài thơ lượm em rút ra được bài học j

Câu 34: Quan sát hình và cho biết: “Góc quay của hình là bao nhiều? A. RT 50 B. RT 60 C. RT 70 D. RT 80 Giúp tui đi nhanh lên

1. Viết đoạn văn nghị luận về một vấn đề văn học ( nhân vật, hình ảnh, chi tiết đặc sắc…) trong các văn bản ôn tập. Trong đó có sử dụng các yếu tố Tiếng Việt trên. 2. Đọc – hiểu nội dung, ý nghĩa của một số câu tục ngữ, ca dao: - Một cây làm chẳng nên non Ba cây chụm lại nên hòn núi cao . - Bầu ơi thương lấy bí cùng Tuy rằng khác giống nhưng chung một giàn . - Nhiễu điều phủ lấy giá gương Người trong một nước phải thương nhau cùng .

I Find the word which has a different sound in the underlined part. 1. A. cranberry B. lantern C. gather D. apricot 2. A. abundant B. travelling C. character D. biogas 3. A. diverse B. drive C. invention D. crime 4. A. washed B. needed C. danced D. matched 5. A. obey B. key C. grey D. survey hộ với ạ e cảm ơn ạ mong add duyệt

I. Complete the sentence with the words in the box. acquaintances mutual give-and-take loyal incapable selfish friendship intimate emotional constancy trust sympathy 1. I have a lot of ________ at work but I don't have any real friends. 2. Despite differences in background and outlook, their partnership is based on _______ respect, trust and understanding. 3. Our relationship can not last longer because he seems to be very __________. He only thinks about himself. 4. I met her at the school opening in 1990. We have been _________ friends since then. 5. To keep a friendship, you can not always resist on your own way - there has to be some _________. 6. When all her other friends deserted her, Steve remained _________. 7. She is a brilliant mathematician, but as a lecturer, she is totally __________. 8. What do you know about a true _________? And what does it tell you? 9. You can _______ Jack to look after the money. He's completely honest. 10. The ________ of your love for Indian food really amazes me. 11. They really want to send my warm _______ to the people who lost their relatives in the earthquake on December 13th . 12. That song is so ___________. It always brings a tear to my eye. II. Choose one word whose underlined part is pronounced differently. 1. A. honest B. helpful C. hero D. humour 2. A. changeable B. church C. chemist D. cheque 3. A. protect B. picture C. notice D. talent 4. A. open B. blow C. joke D. toy 5. A. centre B.discover C. compete D. cartoon III. Choose one word or phrase that best completes the sentences. 1. Loyalty is one of the most important ____________ for a true friendship. A. qualities B. rumours C. sorrow D. appearance 2. School children now have too many things ___________ . A. doing B. do C. to do D. does 3. I heard them _______ in the next room. A. talk B. to talking C. to talk D. talks 4. When it started to rain, I ________ TV. A. watched B. am watching C. was watching D. watch 5. He lovingly _________ his new born baby. A. embraced B. took C. brought D. got 6 . Julia _______ her first novel when she was 19 years old. A. wrote B. writes C. has written D. had written 7. You had better ______ the bus. Going by taxi is too expensive. A. to take B. take C. taking D. took 8. When I arrived at the railway station, he ______ on the train. A. got B. has got C. had got D. get 9. The boy saw the cat _______ through the window. A. jump B. jumping C. to jump D. to be jumped 10. On the ________ of our wedding, we would love to invite your family to our dinner. A. opportunity B. chance C. anniversary D. birthday 11. We _________ TV when it started to rain. A. were watching B. watched C. are watching D. watch 12. The man refused _________ to the hospital. A. taken B. to be taken C. taking D. being taken 13. I really like Nam. He has such a good sense of __________ . A. intelligence B. honesty C. humour D. patience 14. The little girl can’t stand _______ made fun of by her classmates. A. to be B. being C. be D. to being 15. By the time you _______ her letter, she had arrived in Paris. A. get B. had got C. have got D. got 16. They expected __________ at the airport by the General Director. A. metting B. to be met C. being met D. to meet 17. A ________ is a place where people go for meals. A. hotel B. hostel C. hospital D. restaura . Please forgive me. I didn’t mean _________ you. A. upsetting B. being upset C. to upset D. to be upset 19. People call the 25th the silver anniversary and the 50th the ________ anniversary. A. paper B. golden C. bronze D. diamond

I _____ with Jake last Tuesday and he says you _____ him for months. 1.'ve talked / haven't visited 2.talked / haven't visited 3.'ve talked / didn't visit

Câu 30: Trong phần mềm Logo, câu lệnh: LT 90 BK 100, Rùa sẽ thực hiện hành động: A. Quay phải 90 độ, đi lùi 100 bước B. Quay phải 90 độ, tiến về trước 100 bước C. Quay trái 90 độ, đi lùi 100 buước D. Quay trái 90 độ, tiến về trước 100 bước Giúp mình với nhanh lên