Vẽ đồ thị hàm số sau : y = x^2/3

Các câu hỏi liên quan

Khoanh tròn vào chữ cái trước đáp án đúng. Câu 1. Trong quá trình quang hợp, lá cây nhả ra chất khí nào? A. Khí oxi B. Khí cacbonic C. Khí hiđrô D. Khí nitơ Câu 2. Trong cơ thể thực vật, bộ phận chủ yếu nào thực hiện chức năng chế tạo chất hữu cơ? A. Thân B. Rễ C. Quả D. Lá Câu 3. Thành phần nào dưới đây không tham gia trực tiếp vào quá trình quang hợp? A. Nước B. Khí cacbonic C. Không bào D. Lục lạp Câu 4. Thân non màu xanh lục có tham gia quá trình quang hợp được không ? Vì sao ? A. Không. Vì thân non chỉ làm nhiệm vụ vận chuyển chất dinh dưỡng. B. Có. Vì thân non cũng chứa chất diệp lục như lá cây. C. Có. Vì thân non cũng được cung cấp đầy đủ nước và muối khoáng. D. Không. Vì quá trình quang hợp chỉ diễn ra ở lá cây. Câu 5. Điều đúng khi nói về quang hợp là A. tổng hợp chất hữu cơ cho cây. B. sản phẩm là khí cacbonic. C. nguyên liệu là khí oxi. D. xảy ra ở động vật và thực vật. Ánh sáng Chất diệp lục Câu 6. Từ tinh bột cùng với …….., lá cây chế tạo nhiều chất hữu cơ khác cần thiết cho cây. A. khí oxi. B. nước. C. muối khoáng. D. vitamin. Câu 7. Tại sao trong bể cá cảnh, người ta thường thả thêm rong? A. Vì rong là thức ăn chủ yếu của cá. B. Vì rong quang hợp nhả ra khí oxi, cần cho hoạt động hô hấp của cá. C. Vì rong ức chế sự phát triển của các loại vi khuẩn gây hại cho cá. D. Vì rong làm sạch môi trường nước. II. TỰ LUẬN Câu 1. Lá cây sử dụng những nguyên liệu nào để chế tạo tinh bột? Lá lấy những nguyên liệu đó từ đâu? Câu 2. Thế nào là hiện tượng quang hợp? Viết sơ đồ của quá trình quang hợp ở lá cây? Câu 3. Không có cây xanh thì không có sự sống trên trái đất, điều đó đúng không? Vì sao? Câu 4. Những cây không có lá hoặc lá sớm rụng (xương rồng, cành giao) thì chức năng quang hợp do bộ phận nào của cây đảm nhận? V

Choose the best answer A, B, C or D to complete the sentence. Question 12: The polluted water__________ in the death of the fish. A: leads B: causes C: results D: makes 15 Choose the best answer A, B, C or D to complete the sentence. Question 10: Too much use of electric lights in cities may cause ___________ pollution. A: visual B: water C: thermal D: lightChoose the underlined part A, B, C or D that needs correcting. Picture 11 A: A B: B C: C D: D 13 Choose the best answer A, B, C or D to complete the sentence. Question 9: If I _______ you, I ______ volunteer to clean the beach. A: am/ would B: were/ would C: was/ will D: am/ willChoose the sentence A, B, C or D that best combines the given sentences. Question 24: There are so many billboards in our city. People cannot enjoy the view. A: If there were many billboards in our city, people could enjoy the view. B: If there were not so many billboards in our city, people could enjoy the view. C: If there were not so many billboards in our city, people couldn’t enjoy the view. D: If there are not so many billboards in our city, people can enjoy the view.Choose the word whose stressed pattern is pronounced differently from the others. A: pollute B: effect C: litter D: affect 10 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Nam: How about organizing a Clean Day for our school? Huong: _________. A: Good idea! How should we start? B: Oh yeah! I can’t believe that. C: No. I had no idea about that. D: No problem. We can do.Choose the word whose underlined part is pronounced differently from the others. A: bread B: measure C: pleasure D: untreated 8 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. The Earth Day comes from the idea of a former US politician Gaylord Nelson. He was worried about the world pollution, and the health of plants and animals. In 1969, he decided that the world should have a special day to teach people about how to make environment better. His idea became popular and on 22 April 1970 the first Earth Day was celebrated. Since then, environmentalists have used the day to educate people about their roles in protecting our planet. Earth Day finally became a global celebration around the world. On this day, people come together to talk about global warming, protecting rare animals and saving energy sources. Question 20: Environmentalists have used the Earth Day to ________. A: get people around the world to play together B: carry their research C: ban people from using energy sources D: educate people about their roles Choose the best answer A, B, C or D to complete the sentence. Question 7: I think the waste from the factory has ___________ the lake. A: polluted B: damage C: pollution D: damaged 6 Choose the sentence A, B, C or D that best combines the given sentences. Question 25: We shouldn’t swim in this lake. Water is highly polluted. A: We shouldn’t swim in this lake because water is highly polluted. B: We should swim in this lake because water is highly polluted. C: We shouldn’t swim in this lake so that water is highly polluted. D: We shouldn’t swim in this lake although water is highly polluteChoose the sentence A, B, C or D that is closest in meaning to the given sentence. Question 22: I don’t have enough money, so I don’t buy seafood. A: If I have enough money, I will buy seafood. B: If I had had enough money, I would buy seafood. C: If I had enough money, I would buy seafood. D: If I didn’t have enough money, I wouldn’t buy seafood.Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. The Earth Day comes from the idea of a former US politician Gaylord Nelson. He was worried about the world pollution, and the health of plants and animals. In 1969, he decided that the world should have a special day to teach people about how to make environment better. His idea became popular and on 22 April 1970 the first Earth Day was celebrated. Since then, environmentalists have used the day to educate people about their roles in protecting our planet. Earth Day finally became a global celebration around the world. On this day, people come together to talk about global warming, protecting rare animals and saving energy sources. Question 19: The word “their” in the second paragraph refers to ______. A: environmentalists’ B: politicians’ C: people’s D: Dr. Nelson’s

1. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions Every year thousands of children become the victims of sexual __________. A: status B: abuse C: crime D: problem 2. Mark the letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given No-one / kind-hearted / than / my mom. A: No-one is as kind-hearted than my mom. B: No-one isn’t more kind-hearted than my mom. C: No-one is more kind-hearted than my mom. D: No-one isn’t as kind-hearted than my mom. 3. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions The scarf is _________ in spite of being made of natural silk. A: affordably B:affordable C: affording D: afford 4. Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions A: remind B: museum C: craftsman D: attract 5. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions Conical hat making in the village has been passed ............... from generation to generation. A: over B: down C: up D: on 6. Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions “When should I leave for France?”, he wondered. A: He wondered if to leave for France. B: He wondered when I should leave for France. C: He wondered when to leave for France. D: He wondered when he leave for France. 7. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions A good night’s sleep can help you improve your _________. A: concentrate B: concentration C: concentrating D: concentrative 8. Mark the letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given I / look forward / make / own conical hat / Tay Ho village / Hue. A: I look forward to make my own conical hat in Tay Ho village in Hue. B: I am looking forward to make my own conical hat in Tay Ho village in Hue. C: I look forward to making my own conical hat in Tay Ho village in Hue. D: I look forward making my own conical hat in Tay Ho village in Hue. 9. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions “I feel depressed because of my test’s bad result.” – “_______________” A: Keep calm. Everything will be alright B: It’s very kind of you C: Let’s go. I can’t wait D: You did a good job 10. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions Life skills __________ at school for teenagers soon due to their necessity. A: will be taught B: will teach C: teach D: are taught 11. Mark the letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given He / say / he / be/ artisan / workshop / since 2010. A: He said he was an artisan of the workshop since 2010. B: He said he has been an artisan atthe workshop since 2010. C: He said was an artisan at the workshop since 2010. D: He said he had been an artisan of the workshop since 2010. 12. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions When we went to the hospital to visit him, they said he ____________ for his home. A: leaves B: has left C: had left D: left 13. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions “Would you like to join us on the trip to Van Phuc Silk Village?” - “_______________” A: No worries B: Congratulations C: Sounds great D: Well-done 14. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions _________ she is young, she is very independent. A: Despite B: in order to C: in order that D: Although 15. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions My father has been feeling much better since he _____________ smoking. A: gave up B: set up C: looked up D: turned up