Mn giải giúp e c3.4 vs ak♥️♥️ thanks

Các câu hỏi liên quan

30 Mark the letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given. Would/ mind/ I/ ask/ question? A: Would you mind if I will ask you a question? B: Would you mind if I ask you a question? C: Would you mind if I asking you a question? D: Would you mind if I asked you a question? 31 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits blank (27). The United States has many different types of families. While most American families are traditional, (23)_______ a father, a mother and one or more children, 22 percent of all American families in 1998 were headed by one parent, usually a woman. In a few families in the United States, there are no children. These (24) _______ couples may believe that they would not make good parents; they may want freedom from responsibilities of childbearing; or, perhaps they (25)_______ physically able to have children. Other families in the United States have one adult (26)_______ a stepparent. A stepmother or stepfather is a person who joins a family by marrying a father or a mother. Americans tolerate and accept these different types of families. In the United States people have right to privacy and Americans do not believe in telling other Americans what type of family group they must belong to. They respect each other’s choices regarding family groups. Families are very important (27)_______ Americans. A: in B: to C: for D: of 32 Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. Mrs. Lan doesn’t walk to work because she doesn’t live near the office. A: Mrs. Lan would walk to work if she lived near the office. B: If Mrs. Lan lived near the office, she wouldn’t walk to work. C: Mrs. Lan will walk to work if she doesn’t live near the office. D: Mrs. Lan walks to work if she lives near the office. 33 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. If you are invited to an American friend"s home for dinner, remember these general rules for polite behavior. First of all, arrive approximately on time, but not early. Americans expect promptness. It will be all right to be 10 or 15 minutes late but not 45 minutes late. Dinner might be over-cooked and ruined by then. When you are invited to someone"s home for a meal, it’s polite to bring a small gift. Flowers or candy are always appropriate. If you have an attractive thing made in your native country, your host or hostess will certainly enjoy receiving that gift. What will you do if you are served some food that you cannot eat or you do not like? Do not make a fuss about it. Simply eat what you can and hope that no one notices it. Be sure to compliment the cook on the food that you are enjoying. Do not leave immediately after dinner, but do not overstay your welcome, either. The next day, call or write a thank-you note to stay how much you enjoyed the evening. The next day, _______________. A: invite the host to your house B: remember to thank to the host for dinner C: you needn"t say thank- you D: say nothing to the host 34 Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. I think we should put different kinds of waste in different baskets. A: I suggest to put different kinds of waste in different baskets. B: I suggest we have to put different kinds of waste in different baskets. C: I suggest we shall put different kinds of waste in different baskets. D: I suggest putting different kinds of waste in different baskets.

VIII. Read the text. Complete the text by matching sentences A-G with gaps 1-6. There is one extra sentence you do not need. A Her head and her arm hurt, but she was alive. B He needed to take a plane into the jungle, but the flight was full C The problem was that she couldn't walk. D She walked for ten days with no food. E But after ten days, they decided that everybody was dead, so they stopped looking for people. F The other 96 people on the plane all died in the accident. G So she knew that the important thing was to find fresh water. ESCAPE FROM THE JUNGLE It was Christmas Eve 1971. A film director called Werner Herzog was at the airport in Lima, Peru. (1) ________ Herzog waited for the next flight and the plane took off from the airport without him. A few minutes later, it crashed into the jungle. There was only one survivor – a 17year-old German girl called Juliane Koepke. (2) ________ When the plane crashed, Juliane fell through the trees and landed on the ground. She woke up 24 hours later. (3) ________ She knew that she needed to get out of the jungle. Juliane didn't have the right clothes for a journey like this – she had a miniskirt! – but she knew a lot about the jungle. Her parents were scientists. They studied the jungle n Peru, and the jungle was Juiane's home when she was a young child. (4) ________ When she found water, she followed it and soon came to a river. She knew that there were often villages near a river. But it wasn't an easy journey for her. (5) ________ She often had to walk or swim through dangerous water, full of crocodiles. People flew over in a small planes to look for survivors from the accident. (6) ________ Two days later, Juiane Koepke walked out of the jungle, very hungry and tired, but alive! Fifteen year later, Werner Herzog went to Peru and made a film about Juliane Koepke's amazing journey.

giải đc xin cảm ơn và hâụ tạ 5 star and bonus thêm lời giải hay lun ạ Bài 1: Cân bằng các PTHH sau: 1) CO2 + Ba(OH)2 → BaCO3 + H2O 2) Na3PO4 + Ba(OH)2 → Ba3(PO4)2↓ + NaOH 3) CuSO4 + Na2S → CuS↓ + Na2SO4 4) MgCO3 + HCl → MgCl2 + CO2 + H2O 5) Ca(NO3)2 + Na2CO3 → CaCO3↓ + NaNO3 6) Fe + Cl2 → FeCl3 7) Fe(OH)3 + H2SO4 → Fe2(SO4)3 + H2O 8) FeCl3 + KOH → KCl + Fe(OH)3↓ 9) H2SO4 + Na2SO3 → Na2SO4 + SO2 + H2O 10) Na2CO3 + Mg(NO3)2 → MgCO3 + NaNO3 11) NaCl + AgNO3 → NaNO3 + AgCl 12) NH4NO3 + Ba(OH)2→Ba(NO3)2 + NH3 + H2O 13) MgCl2 + KOH → KCl + Mg(OH)2 14) Al(OH)3 +HCl → AlCl3 + H2O 15) CuCl2 + NaOH → NaCl + Cu(OH)2 16) SO2 + KOH → K2SO3 + H2O 17) NaOH + Fe2(SO4)3 → Fe(OH)3 + Na2SO4 18) SO3 + Ba(OH)2 → Ba(HSO4)2 19) Al(NO3)3 + K3PO4 → AlPO4 + KNO3 20) Al + HCl → AlCl3 + H2 Bài 2: Viết PTPƯHH xảy ra giữa oxi lần lượt với các chất sau: Mg, Al, P, S, C2H4, C2H6O, ghi rõ điều kiện phản ứng. Bài 3: Cho các oxit sau: CO2, SO3, CaO, Fe2O3, MnO2, NO2, P2O5, CuO, Al2O3, BaO. Hãy gọi tên và phân loại các oxit trên. Bài 4: Đốt cháy 5,4 gam nhôm trong bình đựng 4,48 lít khí oxi (đktc) tạo thành chất rắn là nhôm oxit Al2O3. a/ Chất nào dư sau phản ứng? Dư bao nhiêu gam? b/ Có bao nhiêu gam nhôm oxit tạo thành? Bài 5: Tính thể tích khí oxi cần thiết để đốt cháy hoàn toàn khí metan CH4 có trong 1m3 khí chứa 2% tạp chất không cháy. Các thể tích khí được đo ở đktc.