“Nhưng ô kìa ! Sau trận mưa vùi dập và những cơn gió phũ phàng kéo dài suốt cả một đêm, tưởng chừng như không bao giờ dứt, vẫn còn một chiếc lá thường xuân bám trên bức tường gạch. Đó là chiếc lá cuối cùng trên cây. Ở gần cuống lá còn giữ màu xanh sẫm, nhưng với rìa là hình răng cưa đã nhuốm màu vàng úa, chiếc lá vẫn dũng cảm treo bám vào cành cách mặt đất chừng hai mươi bộ.” Từ ý nghĩa đoạn trích trên, hãy trình bày suy nghĩ về nghị lực sống của con người. *LƯU Ý: Có thể trình bày suy nghĩ của mình theo nhiều cách khác nhau. Tuy nhiên, bài làm chú ý thể hiện đúng kết cấu của một bài văn NLXH ngắn, bố cục 3 phần, lập luận chặt chẽ, diễn đạt mạch lạc, ngôn từ chọn lọc...

ở người gen A lớn quy định tóc xoăn trội hoàn toàn so với gen a nhỏ quy định tóc thẳng gen B lớn quy định mắt đen trội hoàn toàn so với gen b nhỏ quy định mắt nâu hai cặp gen này nằm trên 2 cặp nhiễm sắc thể thường khác nhau. a,Xác định kiểu gen và kiểu hình của bố mẹ A có thể con sinh ra có kiểu hình tóc quăn mắt nâu với xác suất 25% b,chắc chắn con sinh ra có tóc thẳng mất đen

Làm giúp em với ạ. VI. All of the sentences have one verb in the wrong tense. Cross and correct them. 1. It was lucky that we has decided to buy our tickets in advance.... 2. I was pleased to see my old friends last week as we didn't see each other since we finished our course..... 3. We have to wait for hours at the airport because the bad weather had delayed all the flights....... 4. We missed our train, so by the time we reached the theater, the play ended and the audience was leaving the theater ...... 5. At the end of their meal they found they couldn't pay the bill because they didn't bring any money with them..... 6. The children were thrilled when they unwrapped the electric toys but when they discovered that nobody bought a battery they were very disappointed............... 7. When I came out of the cinema I had found that a thief had taken my car radio........ 8. At first the authorities thought the athlete had been taking drugs, but they soon realized they mixed up the results of the tests..... 9. When the film star came into the restaurant I didn't recognize her because. I didn't see any of her film... 10. When we reached the city center we couldn't find a parking space, so we had decided to go by bus the next time............

nhiệt độ nóng chảy và nhiệt độ đông đặc có j giống nhau ko? Lấy vd cho quá trình nóng chảy

1.Mark letter A, B, C or D on your answer sheet to indicate the word whose main stress is placed differently from the other three in each of the following questions. A: friendly B: extra C: lonely D: along 2. Mark letter A, B, C or D on your answer sheet to indicate the word whose main stress is placed differently from the other three in each of the following questions. A: special B: flower C: parade D: concer 3. Mark the letter A, B, C, D on your answer sheet to indicate a meaningful sentence from the words and phrases given We/ believe/ urban transport pods/ travel/ around 30 kph. A: We believe that urban transport pods can travel around 30 kph. B: We are believing that urban transport pods can travel at around 30 kph. C: We believe that urban transport pods can travel at around 30 kph. D: We believe that urban transport pods will be travel at around 30 kph.

Exercise 1: Choose the best answer 1.Ms. Jones isn’t as nice …….. Ms. Smith. A. as B. for C. like D. to 2. Although she is very popular, she is not……her sister. A. pretty as B. as pretty C. prettier than D. most pretty than 3. Tuition at an American university runs……..Six thousand dollars a semester. A. so high as B. as high to C. as high as D. as high than 4. Everyone looks much………. today than they did yesterday. A. happy B. happily C. more happily D. happier 5. The Boeing 747 is twice…….. the Boeing 707. A. bigger than B. as bigger as C. as big as D. more bigger than 6. Diana is the……..of the three sisters. A. more short B. shorter C. shortest D. more short 7. She speaks English as……….as her friend does. A. good B. well C. better D. the best 8. Of three shirts, this one is the…………. A. prettier B. more prettiest C. prettiest D. most pretty 9. The baby’s illness is……….. than we thought at first. A. bad B. worst C. worse D. badly 10. Today is the……… day of the month. A. hot B. hotter C. hottest than D. hottest 11. My book is as……….as yours. A. good B. well C. better D. the best 12. I love you……….than I can say. A. much B. many C. more D. the most 13. It’s………….to go by bus than by car. A. cheaper B. cheapest C. more cheap D. more cheaper 14. That house is ………one on the street. A. oldest B. the oldest C. old D. older 15. This hotel must be………..than the small one next door. A. expensive B. more expensive C. the most expensive D. the more expensive 16. This river is……… than that river. A. narrow B. narrowest C. narrower D. most narrow 17. The test is not………difficult……….it was last month. A. as/ as B. so/ as C. more/ as D. A and B 18. A: It’s a long way from Britian, isn’t it? B: Yes, but it isn’t as……….as Hong Kong. A. far B. farther C. farthest D. further 19. “ Why did you buy these oranges? ” “They were ……….….. I could find. ” A. cheapest B. cheapest ones C. the cheapest ones D. the most cheapest 20. She plays the piano …………… as she sings. A. as beautifully B. more beautifully C. as beautiful D. the most beautifully 21. The streets are getting more and …………… these days. A. crowded B. less crowded C. more crowded D. most crowded 22. The larger the city, …………… the crime rate. A. highest B. higher C. the highest D. the higher 23. You must explain your problems ………….... A. as clear as you can B. as clearly as you can C. as clear than you are D. as clearly as you are 24. Pil is ……………… person we know. A. the happier B. the happiest C. happier D. happiest 25. Bill is ……………… A. lazier and lazier B. more and more lazy C. lazier and more lazy D. more lazy and lazier 26. It’s too noisy here. Can we go somewhere …………………? A. noisier B. more quiet C. more noisy D. quieter 27. ………………..the time passes, …………….I feel ! The deadline of my thesis is coming, but I have just finished half of it. A. The faster / the nervous B. The more fast / the nervous C. The fast / the more nervous D. The faster / the more nervous 28. China is the country with…………………..population. A. the larger B. the more large C. the largest D. the most large 29. His house is _______ mine. A. twice as big as B. as twice big as C. as two times big as D. as big as twice 30. A: It’s hot there, isn’t it? B: It’s very………..during the day. A. hot B. hotter C. hottest D. hotter than 30. A: It’s hot there, isn’t it? B: It’s very………..during the day. A. hot B. hotter C. hottest D. hotter than

1. Viết câu hỏi đuôi cho các câu sau. 1. They don't allow pet dogs in this shop…………………? 2. But guide dogs can come in………………………? 3. He hardly ever leaves the house……………………? 4. That isn't Bill driving……………………? 5. Nothing went wrong………………? 6. Lions are loose in this reserve………………………? 7. It'd be unpleasant to be attacked by a lion………….……? 8. He is never at home on Sunday, …………………? 9. It is a pity Ann didn't come with us……………………? 10. Lives were lost unnecessarily…………………? 11. There used to be trees here…………………… 12. There isn't any point in waiting…………………? 13. He'll hardly come now……………………? 14. You’ ve already done your homework,……………………….? 15. They don’t walk regularly,………………………………?

Conditional sentences 1. If he (eat) another cake, he will be sick. 2. I (not do ) that if I (be) you. 3. If he (take) my advice, everything can go well. 4. He never does homework. If he ( do) his homework, he (not worry) about his examination. 5. If today (be) Sunday, we (go) to the beach. 6. You (be) ill if you drink that water. 7. If Tom (go) to bed earlier, he would not be so tired. 8. I could understand the French teacher if she (speak) more slowly. 9. If you (see) Mary today, please ( ask) her to call me. 10.What you (do) if she refuses your invitation?

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