Ex 1: Choose the best answer. 1. They _______ agree with my opinion. a. are b. don't c. aren't d. do

Tạo một mô hình về thành phần cấu tạo của tế bào. Ảnh mẫu bên dưới nha

Tuổi mẹ gấp 3 lần tuổi anh, 3 năm sau tuổi mẹ gấp 3 lần tuổi em. Hỏi anh hơn em mấy tuổi?

tìm tập xác Định của $\frac{|x|+2}{|x|-1}$

Đốt cháy hoàn toàn 5.5g một este no đơn chức mạch hở X cần dùng 5.88 lit O2 .CTPT của X là

Gạch chân lỗi sai và sửa lại cho đúng 48. Students from different fourteen schools participate in the competition. _________________________ 49. We’ll wait here until he will come back tomorrow. _________________________ 50. The new machine works much more fastly than the old one. _________________________ 52. It rained so hard for us to go camping. _________________________ 53. A friend of him got married to a Chinese girl last week . _________________________ 54. The wind started to blow and the rain became more heavily. _________________________ 55. I’m glad that the number of participants increase every week. _________________________ 56. They don't go to school on Sunday and I don't, neither. _________________________ 57. It’s a fact that go jogging is a good way to keep fit. _________________________ 58. I’d like to buy two dozens of pencils, please. _________________________ 59. Your birthday cake is twice bigger than mine. _________________________ 60. The more confident you are, the less mistakes you make. _________________________ 61. The roads in our city are more and more narrow.

Một đi chợ bán trứng .người đó bán 2/5 số trứng rồi lại buôn thêm 46 quả.Tất cả số trứng mang về bằng10/9 số trứng mang đi.Hổi người đó mang bao nhiêu quả trứng

Cứu= 5*+ ctlhn 11. Linh can’t go out with us to see a movie now because she’s ____ meal. A. preparing B. making C. arranging D. keeping 12. I’m responsible for cooking dinner as my mother usually works ____. A. lately B. early C. later D. late 13. I usually ____ my younger sisters when my parents are away on business. A. pick up B. take care of C. look for D. take charge of 14. Ms. Mai asked me how she could ____ household chores equally in her family. A. make B. divide C. give D. contribute 15. In my family, my father always takes charge of doing the ____ lifting. A. strong B. hard C. heavy D. huge 16. My mother told me to do the ____ yesterday but I forgot about it since I had much homework to finish. A. wash-up B. laundry C. childcare D. exercises 17. ____ the rubbish in the early morning is a part of my daily routine. A. Taking out B. Coming out C. Pulling out D. Bringing out 18. My wife is going on her business next week so I have to ____ most of the chores around the house. A. distribute B. hold C. take D. handle 19. Mr. Hoang found it difficult to be in charge of the household ____. A. financial B. financially C. finances D. financier 20. ____ is a person who works at home and takes care of the house and family. A. Breadwinner B. Homemaker C. Servant D. Houseman 21. When his wife gave birth to a baby boy, Mr. Nam became the sole ____. A. housemaid B. housekeeper C. father D. breadwinner 22. My mother and I often go to the supermarket to shop for ____ at weekends. A. cook B. groceries C. heavy lifting D. the chores 23. After eating dinner, I have to do the ____ and then do my homework every day. A. washing-up B. wash-up C. washing-ups D. washings-up 24. Her husband is very kind. He always cares ____ her and never puts all of the housework ____ her. A. about - in B. for - in C. about - on D. with - on 25. To Hoa, her father is the greatest person in the world and he always sets a good ____ for her. A. role B. behaviour C. example D. action 26. We take ____ in doing the washing-up, cleaning the floor and watering the flowers. A. turn B. out C. around D. turns 27. Most people will receive ____ benefits when sharing the housework in their family. A. enormously B. enormity C. enormous D. strong 28. Like his mother, Viet is a ____ child who can talk openly to anyone. A. social B. sociable C. generous D. critical 29. After marriage, Mrs. Hoa always keeps good ____ with her mother-in-law. A. association B. relation C. friendship D. relationship 30. In many countries, divorces ____ to rise because of long-standing conflicts. A. tend B. have C. aim D. encourage 31. My parents ____. My mother usually does more housework than my father. A. divide chores equally B. split chores unequally C. don't share housework equally D. Both B & C are correct. 32. It's not easy to gain ____ between husbands and wives, even in developed countries. A. equal chore B. chore equally C. chore equal D. chore equity 33. He decided that he wanted to be a ____ while his wife worked full-time. A. homemaker B. house husband C. housewife D. Both A & B are correct 34. My sunflower seeds must be ____ twice a day so that they will sprout in a few days. A. watered B. dried C. picked D. spread 35. If Hoa ____ rich, she would travel around the world. A. is B. was C. were D. been 36. Ba ____ a new bicycle recently. A. bought B. buying C. buy D. has bought 37. Nam ____ speaks Chinese but also speaks Japanese. A. not only B. so C. only D. can 38. It is raining very hard, ____ we can't go camping. A. so B. so that C. more over D. however 39. Mrs. Hoa ____ sings very well is Nam's mother. A. which B. whom C. who D. where 40. Hung enjoys ____ fishing and boating. A. to go B. go C. going D. went

Ở cà chua, gen A quy định quả đỏ, gen a quy định quả vàng, gen B quy định quả tròn, gen b quy định quả bầu dục. Khi cho lai giống cà chua quả đỏ, tròn với cà chua vàng, bầu dục người ta thu được toàn quả đỏ, tròn. Tiếp tục cho F1 giao phấn với nhau thu được F2. Hãy viết sơ đồ lai từ P đến F2.

6. Did you notice the little boy _______ away? A. take the candy and run B. took the candy and ran C. taking the candy and running D. who is taking the candy and running 7. _______, she washed the cup and put it away. A. Having the coffee B. Drink the coffee C. Having drunk the coffee D. Has drunk the coffee 8. If I catch you _______ again, I’ll make you _______ in after school _______some extra work. A. cheating / to stay / to do B. to cheat / to stay / to do C. to cheat / stay / to do D. cheating / stay / to do 9. A: Why didn’t you enjoy your holiday? B: Well, _______ a long story short, the hotel was dirty and the food_______ gave me incessant indigestion. A. cutting / being served B. to cut / serving C. having cut / served D. to cut / served 10. We are both looking forward _______ next Saturday. A. to going on vacation B. to go on vacation C. to be going on vacation D. to have gone on vacation