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nanhduong0608
2 năm trước
Cho hàm số y=ax-a-2, a khác 0 a) C/m đồ thị (D) luôn đi qua 1 điểm cố định khi a thay đổi b) Xác định a để khoảng cách từ O đến (D) lớn nhất
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mình càn giúp I. Phonetics: Odd one out. 1. A. page B. information C. pavement D. transport 2. A. combine B. vocabulary C. doubtful D. boring II.Choose the word that has a different stress pattern from the others. 1. A. silent B. noisy C. pretty D. polite 2. A. traffic B. dancer C. balloon D. cycling III. Complete the sentences, using suitable words. 1. They put solar panels on the ………………………………. of our house to get the sun’s energy. 2. The car doesn’t need a driver, we call it a………………………………………………………car. 3. People all over the world celebrate ………………………………. on 24th and 25th of December. 4. La Tomatina is the name of a …………………………………………………………....in Spain. IV. Read the passage Travelling in the future will be much easier and safer. People may travel in a driverless car. Even old or disable people will be able to use it because the car can drive itself. However, a driveless car will be expensive. People can choose to go on foot on moving pavements. A Swiss company has invented a system of high- speed moving pavements. People will go through the streets at up to 15 km per hour just by standing on the pavements. This will reduce travelling time of pedestrians and traffic jams effectively. Therefore, more people will leave their vehicle home. A. Answer the questions. 1. How will travelling be in the future?………………………………………..………………..………… 2. Will old or disable people be able to use a driverless car? …………………………………………… B. Read and tick T/F. 1. A Swiss company has invented the system of high- speed moving pavements? 2. A driveless car won’t be expensive. 3. People can go through the streets at up to 50 kph just by standing on the pavements 4. In the future, more people will leave their vehicle home. V. Choose and circle the best answer. 1. Wind, hydro and solar are ………………………………………………………….resources. A. modern B. renewable C. non-renewable D. new 2. Nick washes his hand a lot, ………….…………………………………. he doesn’t have flu. A. so B. and C.but D. although 3. They had to wear ………………………………to protect their eyes at the tomato festival. A. goggles B. tradition C. trucks D. greasy 4. ………………………………..were you born? – In March. A. How B. Why C. Where D, When VI. Give the correct form of the words given to complete the sentences. 1. Solar energy is renewable, ………………………………………….and clean. PLENTY 2. We should reduce the use of……………………… ………………at home. ELECTRIC 3. Waves will be used as an………………………….friendly sources of energy. ENVIRONMENT 4. Solar power can be used to ………………………………or cool our houses. HOT VI. Give the correct form of the words given to complete the sentences. 1. Solar energy is renewable, ………………………………………….and clean. PLENTY 2. We should reduce the use of……………………… ………………at home. ELECTRIC 3. Waves will be used as an………………………….friendly sources of energy. ENVIRONMENT 4. Solar power can be used to ………………………………or cool our houses. HOT VII. Do as directed in brackets. 1. People will decorate their houses to welcome New Year. (Change into passive) __________________________________________________________________________ 2. They have to wear boots to protect their feet. (Make question) Why ______________________________________________________________________ 3. Biogas is made from plant waste and animal manure.(Change into active) __________________________________________________________________________ 4. Which festival do you like best? Why?(Answer the question)

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