•Hoà tan 0,56 gam sắt bằng dd h2so4 loãng (dư) a)viết phương trình phản ứng xảy ra b)tính khối lựợng muối tạo thành và thể tích h2 sinh ra Giúp em vs em cần gấp ạ

minh hua xe voye 5 sao 1 Choose the correct sentence made from the given words. Question 24. famous/Sydney Opera House/serve as/arts centre/1973/. A: The famous Sydney Opera House has served as an arts centre since 1973. B: The famous Sydney Opera House served as an arts centre since 1973. C: The famous Sydney Opera House has served as an arts centre in 1973. D: The famous Sydney Opera House was served as an arts centre in 1973. 2 Choose the best answer A, B, C or D to complete the sentence. Question 12. The USA is _________ 50 states. A: made up B: made up from C: made up of D: made in for 3 Choose the best answer A, B, C or D to complete the sentence. Question 7. Niagara Falls is a great _________ on the border of the USA and Canada. Thousands of visitors come to see it every month. A: culture B: relaxation C: spectacle D: tradition 4 Choose the best answer A, B, C or D to complete the sentence. Question 11. America ________ Thanksgiving Day on the fourth Thursday of November since 1864. A: celebrates B: celebrated C: has celebrated D: was celebrated 5 Choose the word whose underlined part is pronounced differently from the others. A: coffee B: payee C: trustee D: trainee 6 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 14. Clara: “Would you mind helping me with these heavy boxes?” Tom: “_________” A: Yes, I would! B: My God! C: What a pity! D: Not at all! 7 Choose the underlined part A, B, C or D that needs correcting. Picture 13 A: A B: B C: C D: D 8 Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 16: This group of chemicals is known to be harmful to people’s health. A: natural B: Risky C: safe D: dangerous 9 Choose the correct sentence made from the given words. Question 22. Alaska/a state/the USA/face/both Arctic Ocean/ the Pacific Ocean/. A: Alaska is a state in the USA faces both Arctic Ocean and Pacific Ocean. B: Alaska is a state in the USA face both Arctic Ocean and Pacific Ocean. C: Alaska, a state in the USA face both Arctic Ocean and Pacific Ocean. D: Alaska, a state in the USA, faces both Arctic Ocean and Pacific Ocean.

giúp mk tự luận đề này vs các bn giỏi oii

Sự suy yếu của nhà Lê như thế nào?Nhà Mạc thành lập như thế nào

Cho tam giác abc cân tại a gọi m là trung điểm bc chứng minh a) AM là tia phân giác của góc a b, AM vuông góc BC Giải bài này giúp mình với ạ cảm ơn

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Nước ta có vùng biển rộng lớn với hàng nghìn đảo và quần đảo lớn, nhỏ. Những năm qua, việc phát triển kinh tế biển -đảo ngày càng được chú trọng. Qua tìm hiểu thực tế, hãy lấy ví dụ để chứng minh. Giúp mình nè mọi người ^^ lu các bạn :3 Câu 1 nha! Tks sâu mắt ^^ =>Đừng làm bừa nha!

Tại sao chúng ta phải thận trọng nghiêm túc trong tình yêu và hôn nhân

Ex 4: Rewrite each of the following sentences so that it means the same as the first one, beginning with the given words. 1. I prepared the table a few minutes ago (just) => I have just prepared the table. 2. We didn’t get ready for the party. (yet) => 3. She has already done the washing up. (a hour ago) => …………………………………………..…………………………………… 4. Have you ever visited an orphanage? (last year) => …………………………………………..…………………………………… 5. Uncle Tom took me to the school today? (already) => …………………………………………..…………………………………… 6. Dorothy has just watered the flowers. (two minutes go) => …………………………………………..……………………………………

Tìm đặc điểm của bộ xương thích nghi với sự bay của chim bồ câu