Câu nào sau đây đúng? A. Lọc dữ liệu là hoán đổi vị trí của các hàng với nhau. B. Lọc dữ liệu là hoán đổi vị trí của các cột với nhau. C. Lọc dữ liệu là chọn và hiển thị những hàng thỏa mãn các tiêu chuẩn nhất định nào đó. D. Lọc dữ liệu là chỉ chọn và hiển thị những cột thỏa mãn các tiêu chuẩn nhất định nào đó.

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Bai 9: Hoàn thành câu thứ hai dựa vào từ cho sẵn trng ngoặc. 0. my father washes the car once a month. ( is) The car is washed by my father once a month. 1. The painter displays all the paintings in the gallery. ( are) All the paintings __________________________________________________ 2. Jim turns off the kettle . ( by) The kettle________________________________________________________ 3. Peter always looks the door before 9 p.m ( locked) The door _________________________________________________________ 4. Does Jim take you to the airport? ( taken) Are you _________________________________________________________ 5. How often does Jane clean the room? ( is) How often _________________________________________________________ 6. My brother rarely writes a long essay. ( is) A long essay _________________________________________________________ 7. My aunt arranges flowers beautifully. ( are) Flowers _________________________________________________________ 8. Mr. Smith sometimes drives the new car to work. (is) The new car _________________________________________________________ 9. I never speak English outside the classroom. ( by) English _________________________________________________________ 10/ People never open this gate. ( is) The gate_________________________________________________________ 11. People make bottles from plastic. ( are) Bottles _________________________________________________________ 12. Jane hangs the wedding photo on the wall. (by ) The wedding photo _______________________________________________________ 13. Someone guard this place twenty-four hour a day. ( is) This place _________________________________________________________ 14. Jim writes and posts his blog on social network site. ( is) Jim’s blog _________________________________________________________ 15. People harvest winter wheat in late July ( is) Winter_________________________________________________________ BÀI 11: Chuyển những câu bị động dưới đây về thể khẳng định (+), phủ định (-) và nghi vấn (?) ở thì quá khứ đơn. 1. (+) This building was designed by a French architect. (-)_________________________________________________________ (? ) ________________________________________________________ 2. (+)_________________________________________________________ (-) This non-profit organization wasn’t founded in 1990. (? ) ________________________________________________________ 3. The thieves were arrested yesterday. (-)_________________________________________________________ (? ) ________________________________________________________ 4. (+)_________________________________________________________ (-)_________________________________________________________ Was this piece of music composed y Mozart? 5. (+)_________________________________________________________ The keys weren’t found in her bedroom (? ) ________________________________________________________