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có thể áp dụng hình thức sinh sản vô tính nào để nhân giống sen đá ,mía ,sắn
có thể sử dụng bộ phận nào đề làm người mẫu nhân giống
II.Read the following passage and choose the letter A, B, C, or D to indicate the correct answer to each of the questions We can use renewable and non- renewable energy sources to make electricity. Most of our electricity comes from power stations that use fossil fuels like coal, oil, and gas.We call them non- renewable sources because they will eventually run out Unfortunately, burning fossil fuels produces lots of greenhouse gases which cause global warming . We also use renewable energy sources like the sun , wind and water to make electricity. We can use them again and again because they cannot run out . They do not produce greenhouse gases so they are much less harmful to the environment. 1. What do we mainly use to produce electricity? A. Renewable energy sources B. Fossil fuels like coal, oil, and gas C. Nuclear power D. Solar panels only 2. Why are fossil fuels called non-renewable sources? A. They are cheap B. They will eventually run out C. They produce clean energy D. They are easy to find 3. What happens when we burn fossil fuels? A. It makes clean air B. It causes global warming C. It saves energy D. It creates water 4. Which of the following is a renewable energy source? A. Oil B. Gas C. Wind D. Coal 5. Why are renewable sources better for the environment? A. They cost less money B. They produce more electricity C. They do not produce greenhouse gases D. They are easier to use
I. Write a short paragraph (60-70 words) about the advantages of the means of the transport in the future II. Write a short paragraph (60-70 words) about how you save energy at home.
I.Finish the second sentences so that they mean almost the same as the first sentences. 1. This is her new car. (Rewrite the sentence, using hers) This new car ……………………………………………………………………………. 2. Which is your notebook? (Rewrite the sentence, using yours) Which notebook …………………………………………………………………………………. 3. It is a good idea for us to go to see the dentist once every six months. (should) →You……………………………………………………………………………………… 4. This is my book.(mine) → This ……………………………………………………………………………... 5. Petrol- powered cars are not eco-friendly.They won’t be popular.(so) …………………………………………………………………………………………… 6. we are not sure if our city will have hyperloops in the near future.( might) ……………………………………………………………………………………………
III. Read the text and choose the correct options. Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no oil, coal and gas on the earth? Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water. Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperate of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source od power. 1. From which do plants on the earth get energy? A. stars B. the Mars C. the moon D. the sun 2. What are the other words or phrase for fossil fuels? A. natural gas B. oil C. coal D. oil, gas, natural gas 3. Natural sources of energy are energy from . A. wind B. the sun C. water D. the sun, wind, water 4. The word “abundant” in the passage is closet in meaning with . A. plentiful B. limited C. natural D. necessary 5. We are asking the question, “What will happen when there is no oil, coal, and gas on the earth?” because . A. we are now depending so much on oil, coal, and natural gas B. other sources of energy can come from the sun, wind, and water C. we are looking forward to seeing great changes D. we are looking for other alternative sources of energy
I. Read the passage and write T (True) or F (False My uncle is working at a car company. His company is now developing a new flying car. The car will have solar panels on its roof and wings, and it will charge its battery as it moves. During light traffic, you can use roads. But in heavy traffic, you can use the flight mode to avoid traffic. It will be able to carry eight passengers. The car will have an autopilot function, so a driver is not needed. All passengers can relax, read books or play games while travelling. I was worried about the safety because it is driverless, but my uncle said it will be much safer than a traditional car. It will also be more comfortable and greener because it is solar-powered. 1. The writer’s father is working at a car company. 2. The car will run on solar energy. 3. You can use it in flight mode when roads are crowded. 4. Passengers can relax,read books or play games while travelling. 5. It will be more comfortable than a traditional car.
Choose the letter A, B, C, or D to indicate the correct answer to each of the following questions. (1,2 points) 1. ______ the girl in the fitting room? A. Do B. Does C. Are D. Is 2. _________ the cats in the garden? – Yes, ______. A. Is – it is B. Are – the cats are C. Are – they are D. Do – they do 3. Minh:“_................ you enjoy Mid-Autumn Festival in Viet Nam?” – Mike: “Yes, I do.” A. Do B. Does C. Did D. Are 4. People put pumpkin __________ outside the homes during Halloween. A. lights B. lanterns C. neon signs D. bulbs 5. For _______ , people have a feast with turkey, cornbread, and sweet potatoes. A. Tet B. Thanksgiving C. Christmas D. Mid-Autumn 6. Look! The train ___________. Step out of the rail right now! A. are coming B. is coming C. comes D. came 7. Don’t make noise, the students ________ the final test now. A.is doing B. will do C. do D. are doing 8. __________ you buy a birthday present for Brian next Sunday? A. Are B. Will C. Did D. Do 9. Maybe he ____________ stay at home. A. stay B. will stay C. will stays D. stays 10. ………..___will be greener than the ships we are using today. A. petrol-powered cars B. solar-powered ships C. bullet trains D. flying car 11. When energy comes from the sun, wind and water, we call it …………… energy. A. renewable B. non-renewable C. hydro D. nuclear 12. They looked at our pictures, but they didn’t show us ___________. A. theirs B. their C. them D. they 13. My jacket on the chairs, ……is on the table. A. she B. her C. hers D. she’s 14. Nam: _____ does “solar energy” mean? Minh: Well, it’s energy that comes from the sun. A. How B. What C. Which D. Who 15. Jenny: “Do you think we will travel to other planets for holidays in the future? Henry: “_______________.” A.We certainly will B. Sounds great! I hope we will be soon C. No. It probably won’t D. Yes. It probably will
position Choose the letter A, B, C, or D to indicate the word that differs from the other three in the of the primary stress in each of the following questions. 1.A.dangerous B.polluting C.expensive D.resources 2.A. turkey B. boring C. joyful D. donate 3.A. easily B. beautiful C. expensive D. energy 4.A. hydro B. nuclear C. tattoo D. solar
II. PRONUNCIATION+ GRAMMAR AND VOCABULARY Choose the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions 1. A. date B. safety C. traffic D. station 2. A. year B. wear C. appear D. hear 3. A . transport B. passenger C. station D. traffic 4. A. limit B. line C. light D. like