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duongdieu2002
2 năm trước
Tìm giá trị nhỏ nhất: P= a^2+2b^3+3c^4 với a,b,c là các số nguyên dương
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Exercise 12: Write in full sentences. 1. It/ be/ about/ two kilometers/ my parents’ offices/ my school. 2. be/ your grandfather’s house/ near/ here? 3. How far/ your house/ National Library? 4. be/ there/ a/ health center/ near/ here? 5. What/ be/ distance/ between/ first row/ second row? 6. It/ be/ 20 centimeters/ my bed/ my desk. 7. How far/ be/ it/ Lan’s house/ Mai Anh’s house? 8. you/ live/ near/ here? 9. be/ it/ 1000 kilometers/ Hanoi/ Ho Chi Minh City? 10. Where/ be/ the Summer Restaurant? Exercise 5: Choose the best option to fill in the blank. 1. There used to be fewer people and .................. on the roads. A. roofs B. helmets C. helicopters D. vehicles 2. Do you know the .................. in the UK is to keep to the left? A. traffic light B. traffic rule C. traffic jam D. speed limit 3. It is dangerous to ride a motorbike without a .................. A. helmet B. triangle C. tricycle D. circle 4. In Hanoi, during rush hour, some road users ride their motorbikes on the .................. A. driving licence B. lane C. pavement D. seat belt 5. Traffic is terrible during the .................. when everyone is in a hurry to get to work or come back home. A. traffic light B. road sign C. traffic rule D. rush hour 6. The ................ for motorcycles is 40 km/h in towns and 60 km/h outside urban areas. A. speed limit B. driving licence C. traffic rule D. traffic light 7. You must .................. the traffic rules in order to avoid accidents. A. park B. obey C. reverse D. warn 8. It takes us more than three hours to drive across those .................. roads. A. wide B. safely C. right-handed D. bumpy 9. You need a driving licence to .................. A. drive a car B. ride a bike C. get on the bus D. get off the train 10. The large supermarkets in Vietnam often let you .................. free. A. park B. obey C. warn D. find 11. Some vehicles beep when they .................. to warn those behind. A. ride B. reverse C. drive D. sail 12. After school, children queue up and wait for the bus .................. on the pavement in front of the school. A. safe B. bumpy C. safety D. safely

Choose the best answer, 1.I love comic books in my free time. B. to reading D. reading A. read 2 Tam was a very C. reads girl who had to work all day. C. hard-working A mean B. generous D. lazy 3. English is necessary for. A communicate C. communicable D. All are incoret is used by children in school, containing examples of writing which 4. A. school students had to copy. C. book do you leam English? -Because I want to sing English songs. C. Why nice food and drink at the party yesterday. A. notebook B. comic book 5.-. A. What B. When D. Who 6. We D. to have coach. A. had 7.-How did you get your hometown? -I went D. All are correct. 8.-How often do you come to the library?-. A. One a week. C. First D. All are correct. 9. He lives his family in Kon Tum now. unoqe ) we study past and present events C. science D. with Viet Nam and around the world D. maths B. on A. history B. geography

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