Calli: Chán NL: Sáng nay Hoidap vắng ghê

Hãy cho biết số nguyên tử hoặc phân tử có trong lượng chất sau: 0,1 mol nguyên tử H 10 mol phân tử H2O 0,24 mol phân tử Fe 0,15 mol phân tử CO2; 0,01 mol phân tử H2 1,44 mol nguyên tử C;

Vì sao nói cây có hoa là một thể thống nhất?

Hòa 480g dung dịch NaOH x% qua 2,8 Lưu Huỳnh trioxit (SO3) đktc a.tính khối lượng muối sinh ra b.tìm x c.tính C% dung dịch sau phản ứng

. You might win $ 1500, and then you’d travel to Singapore. (if) -> You’d travel…………………………………………………………….. $ 1500. 63. Our electric fan isn’t working properly and we feel hot. (would) -> If our…………………………………………………………………….. so hot. 64. Her brother should give up smoking to protect his health. (would) -> If he……………………………………………………………… improve his health. 65. Perhaps my family would go to Hue to visit our grandparents. (went) -> If my family………………………………………………… visit our grandparents. 66. I think you shouldn’t talk too much in class. (you) -> If I………………………………………………………………… in class. 67. His sister doesn’t speak English well enough to work for that foreign company. (better) -> If his sister………………………………………………….. for that foreign company. 68. My roommates don’t have enough money so they can’t travel to Nha Trang. (could) -> If my roommates……………………………………………………… Nha Trang. 69. We’re not as rich as Rockefeller so we can’t buy a big house here. (were) ->If we……………………………………………………………………………… here. 70. I won’t go out if it doesn’t stop raining. (unless) -> I won’t…………………………………………………………… raining. 71. She wouldn’t write unless she heard some news. (if) -> She wouldn’t………………………………………………………….. any news. 72. “I’ll kill your son if you don’t give us money.” The kidnapper said. -> The kidnapper …………………………………………………………………… 73. I’ve lost interest in going to the same places all the time. -> I am fed …………………………………………………………… 74. “I’m sorry; I didn’t ring you to say I would not come.” -> She apologized …………………………………………………… 75. “You stole my gold watch.” My neighbor said to him. -> My neighbor accused ………………………………………………..

Complete the sentences with these words. athlete championship coordination opponent spectator teammate teamwork trophy 1 Ted was disappointed about losing, but he knew his.........was a much better player. 2 In multi-player games like football and basketball,......is really important. 3 If you’re serious about becoming an........, you’ll need to train for hours every day. 4 I’m hopeless at all ball games because my hand-eye.........isn’t good! 5 In tennis doubles, it’s not uncommon for a player’s brother or sister to be their........... 6 Do you enjoy being a...........at the swimming galas or would you rather be taking part? 7 Finally, after twenty-four matches, my team won the .......and we all got a medal. 8 Dad keeps his golf .......... on his office desk so he can look at it every day.

giúp e vs ạ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Tại sao người ta nói “thực vật góp phần chống lũ lụt và hạn hán”? Là học sinh em cần làm gì để góp phần bảo vệ thực vật?

Viết một đoạn truyện (đoạn văn) bằng tiếng anh có sử dụng 10 từ sau: cash, short, wish, shop, special, luxury, television, usually, massage, occasion

a) x+6x^2 =0 b) 5x(x-2)-(2-x) =0 c) (x+1)=(x+1)^2 Giúp mình với ,mình đang cần gấp