Viết bài văn chứng minh: Sách là người bạn lớn của con người

IV. Read the passage carefully, then choose the correct letter A, B, C, or D. Solar energy is a long lasting source of energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and the sun! Solar cells can easily be installed on house roofs, so we do not need any new space. Compared to other renewable sources, they also possess many advantages: wind and water power rely on turbines which are noisy, expensive and which take up large space. Solar cells are totally silent and non-polluting. As they have no moving parts, they require little maintenance and have a long lifetime. 31. What is the passage mainly about? A. solar energy B. the advantages of solar cells C. renewable energies D. the disadvantages of solar cells 32. Why don’t we need new space in order to use solar energy? A. Because solar energy can be used anywhere B. Because solar cells are small C. Because solar cells can be installed on house roofs D. Because solar energy is long lasting 33. What does the word “they” in line 4 refer to? A. solar cells B. advantages C. renewable energies D. turbines 34. What are the disadvantages of other renewable sources? A. Wind and water power rely on turbines which are noisy, expensive and which take up large space B. Wind and water power rely on turbines which are noisy, expensive C. Wind and water power rely on turbines which take up large space D. They are noisy, expensive and which take up large space 35. What is NOT listed in the passage as an advantage of solar cells? A. They are non-polluting. B. They are quiet. C. They have a long lifetime. D. They are cheap. V. Choose one sentence that has the same meaning as the root one.

Phân tích đa thức thành nhân tử a/3xy- $9x^{2}$ b/ $x^{3}$ +343 c/49- $x^{2}$ +2xy- $y^{2}$ d/ $x^{2}$ +2x-24

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I find French interesting. I am ______________________________ 10. Our roof will be fixed tomorrow. They ____________________________ 11. The system has both private and state schools. There __________________________________________ 17. Jane spent three hours a week sorting out stamps. Sorting out her stamps _______________________________ 18. The pictures that are taken will have to travel for three minutes before they reach the earth. The pictures will take__________________________________ 19. She wrote the letter in thirty minutes. It took _________________________________________________ 20. John finished his essay in two hours. It took giải hộ mình vs

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III. Choose A, B, C, D to complete the paragraph. These days it is important to open a newspaper (21)______ reading about the damage we are doing to the environment. The earth is being Threatened (22)______ the future looks bad. (23)______ can each of us do? We cannot clean (24)______ our polluted rivers and seas overnight. Nor can we stop the (25)______ of plan and animals. But we can stop adding to the problem (26)______ scientists look for answers. It may not be easy to change your lifestyle (27)______ but some steps are easy to take: cut down the amount of driving you do, or use a little plastic as possible. It is also easy to save (28)______, which also (29)______ household bills. We must all make a personal decision to work for the future of our planet if we want to ensure a better world (30)______ our grandchildren. 21. A. with B. without C. and D. but 22. A. and B. however C. so D. moreover 23. A. Where B. When C. Why D. What 24. A. up B. to C. on D. in 25. A. appear B. appearance C. disappear D. disappearance 26. A. when B. during C. while D. within 27. A. complete B. completeness C. completely D. to complete 28. A. water B. energy C. money D. health 29. A. adds B. decreases C. reduces D. supplies 30. A. from B. for C. to D. in

Art đậu mầm:))) NL: Kím nhóm nào zô ở (toy chỉ ở hết 1 tháng thui ak:>>)

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