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2 năm trước
Tính thể tích khí Clo thu được (dktc) và thể tích dd HCl 4M cần dùng khi a) Tác dụng với 8,7 g Mno2 b) Tác dụng với 31,6 g KMno4
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II. Chọn một đáp án trong số A, B, C hoặc D điền vào mỗi chỗ trống để hoàn thành đoạn văn sau. Solar energy is a long lasting source of energy, and it can (1)________almost anywhere. To generate solar energy, we only need solar cells and (2)________! Solar cells can easily be installed on house (3)________, so we don’t need any new space. Compared to other renewable sources, they also possess many advantages: wind and water power rely on turbines which (4)________noisy, expensive and which take up large space. Solar cells are totally silent and (5)________. As they have no moving parts, they require little maintenance and have a long lifetime. 1. A. be used B. is used C. be using D. to be used 2. A. the earth B. the planet C. the sun D. the moon 3. A. yards B. roofs C. gardens D. doors 4. A. is B. be C. are D. was 5. A. polluted B. polluting C. non-polluted D. non-polluting III. Đọc đoạn văn sau và chọn câu trả lời đúng cho các câu hỏi. Smoking causes lung cancer, which is the number one cancer among men. Ninety percent of the people who get lung cancer die. Smoking is also the leading cause of mouth cancer, tongue cancer, and throat cancer. Many smokers have heart disease and pneumonia. Smoking causes one million early deaths in the world every year. Smokers not only harm themselves but also harm others. Smokers breathe smoke out into the air. They breathe it out on their children and their wives or husbands. Children whose parents smoke have more breathing and lung problems than other children. Women who are married to smokers are more likely to have lung cancer than those married to non-smokers.We are all aware that smoking is bad. So why do people smoke? 1. The number one cancer among men is____________. A. tongue cancer B. throat cancer C. lung cancer D. mouth cancer 2. The main cause of mouth cancer, tongue cancer and throat cancer is__________. A. drinking B. overeating C. breathing D. smoking 3. Every year, smoking causes about one million____________. A. cancer patients B. killing diseases C. early deaths D. injured men 4. The word “it” in the passage refers to____________. A. cancer B. smoke C. air D. breath 5. Who are more likely to have lung cancer and lung problems? A. People who live in the city B. People who live with smokers. C. People who live with non-smokers. D. People who live in the country. PHẦN D: VIẾT (2,0 điểm) I. Viết lại các câu sau sao cho nghĩa không thay đổi so với câu ban đầu, bắt đầu bằng từ gợi ý. 1. They have just sent an ambulance to the school. Ò An ambulance _________________________________________________________. 2. “ Do you like studying English very often ? ” the interviewer asked me Ò The interviewer asked ___________________________________________________. 3. Despite of the bad weather , we went to the cinema together. Ò Although ___________________________________________________________. 4. The planet is Venus. The planet is closest to the Earth. Ò The planet which _________________________________________________. 5. Unless he phones immediately, he won’t get any information. Ò If he _________________________________________________________________ II. Sử dụng từ trong ngoặc để viết lại các câu sau sao cho nghĩa không thay đổi so với ban đầu. 1. Do you know Cuong’s address?” he asked me. (whether) Ò _______________________________________________________________________ 2. They have decorated and cleaned their house for a week. (started) Ò ___________________________________________________________ 3. If we don’t protect the environment, our life will be badly affected.(Unless) Ò ______________________________________________________________________ 4. The film was very amusing, so no one could stop laughing. (Such) Ò ______________________________________________________________________ 5. Mai is the tallest in the group (No) Ò ______________________________________________________________________

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