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VI. Rewrite the sentences so that it stays the same meaning. 31. Our teacher is always a careful driver. Our teacher always drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32. Be careful or you’ll fall off your bicycle. If you are not . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33. My mother washed clothes by hand last year, but now she no longer does it. My mother used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34. Is Shanghai the largest city in population? Shanghai is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . ? 35. The film is very interesting. I am interested . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36. King Ly Nhan Tong built the Imperial Academy as the first university in Viet Nam in 1076. The Imperial Academy .................................................................................... 37. People use Khue Van Pavilion symbol on all street signs of Ha Noi. Khue Van Pavilion symbol ............................................................................... 38. They played volleyball in the area yesterday. Volleyball . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39. They didn’t help their mother last year. Their mother. . . . . . . . . . . . . . . . . . . . . . 40. I met Mary at John’s party last night. Mary …………………………………………………………………………

…………………... SECONDARY SCHOOL Name: ……………………………………. Class: ……………………………………. THE THIRD WRITTEN TEST Subject: English 8 Time: 45 minutes ( Chương trình thí điểm ) B.USE OF LANGUAGE Question II. Find the word which has different sound in the part underlined. (0.5 points) 1. A. wanted B. naked C. danced D. needed 2. A. who B. when C. where D. what Question III. Find the word which has different stress pattern from the others. (0.5 points) 1. A. artistic B. historic C. dramatic D. scientific 2.A. medical B. hospital C. politic D. electric Question IV. Choose the best answer. (A,B, C or D ). ( 1.5 points) 1. Mi and Nick like ______________ back Mi’s home village on holiday. A. comes B. come C. came D. coming 2. If the factory ________________ dumping poison into the lake, all the fish and other aquatic animals will die. A. continues B. to continue C. continued D. will continue 3.Water ________________ in the lake has made the fish die. A. pollution B. pollute C. polluted D. polluting 4.If the air wasn’t dirty, I ________________ so much. A. wouldn’t sneeze B. sneeze C. would sneeze D. to sneeze 5. If the factory continues dumping poison into the lake, all the fish and other aquatic animals ________________. A. die B. to died C. dead D. will die 6. Water pollution is the ________________ in the lake has made the fish die. A. contaminating B. contaminate C. contaminated D. contamination Question V. Put the verbs in brackets into the correct form.( 1.5 points) 1.He usually ( go) ______________ to school by bike. 2.My father used to (go) ______________fishing when he was a child. 3.They ( live) ______________ here for 8 years. 4.If we (recycle) ________ more, we will help the Earth. 5. Factories (not dump) ______________waste into rivers if the government fines them heavily. 6. If people travel to work by bus, there (be) ______________fewer car fumes. C-READING: Question VI Read the passage and choose the correct answer A, B, C or D.(2.0 points) Environmental pollution is a term that (1)______ to all the ways by which man pollutes his surroundings. Man dirties the air with (2)______ gases and smoke, (3)_____ the water with chemicals and other substances, and damages the (4)_____ with too many fertilizers and pesticides. Man also pollutes his surroundings (5)_____ various other ways. For example, people ruin natural beauty by (6)_____ junk and litter on the land and in the water. Environmental pollution is one of the most serious problems facing mankind today. Air, water and soil are necessary to the (7)_____ of all living things. Badly polluted air can cause illness, and (8)_____ death. Polluted water kills fish and other (9)_____ life. Pollution of soil reduces the amount of land that is available for growing food. Environmental pollution also brings ugliness to man’s (10)_____ beautiful world. 1. A. means B. refers C. provides D. reduces 2. A. thick B. natural C. exhaust D. influent 3. A. purifies B. pumps C. sprays D. poisons 4. A. soil B. forests C. streets D. beaches 5. A. on B. in C. by D. with 6. A. spoiling B. leaving C. scattering D. gathering 7. A. survival B. environment C. development D. growth 8. A. so B. ever C. too D. even 9. A. animal B. marine C. human D. plant 10. A. nature B. natural C. naturally D. natured

Đề 1 BÀI TẬP KHI PHA TRỘN HAI DUNG DỊCH CÓ NỒNG ĐỘ KHÁC NHAU CHÂT TAN PHẢN ỨNG VỚI NHAU. Bài 1: Trộn 300 gam dung dịch HCl 7,3% với 200 gam dung dịch NaOH 4% . Tính nồng độ phần trăm của chất tan trong dung dịch sau khi trôn.( Biết khi cho axit tác dụng với bazơ thu được muối và nước) Bài 2: Cho 98 gam dung dịch H2SO4 20% vào 400 gam dung dịch BaCl2 5,2%. a. Viết phương trình và tính khối lượng kết tủa tạo thành sau phản ứng ( Biết axit tác dụng với muối tạo thành muối mới và axit mới). b. Tính nồng độ phần trăm các chất có trong dung dịch sau phản ứng? Bài 3: Cho 265 gam dung dịch Na2CO3 nồng độ 10% tác dụng với 475,72 gam dung dịch CaCl¬2 7%. a. Tính khối lượng chất kết tủa tạo thành sau phản ứng ? b. Tính nồng độ phần trăm các chất có trong dung dịch sau phản ứng?

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