chưa thi
wow
write sentences about what the people are doing or not doing ,using the suggestions
2. nowadays, people in rural areas/use energy from the sun
3.he.not/drink too much wine
4/ how/they/travel to Japan?
5/nowadays,people in Iceland/not use energy from coal
6/last night/Phong/listen/music/for two hours
7. they/have/nice/weekend/last summer?
8.she/go/supermarket yesterday
9/ she/dance/often?
10.i/not/wash the dishes/the evening
11. i/go swimming/yesterday
12. Mrs Lien /teach you about solar energy/ at the moment?
13. we/not/go/school last week
14. where/she/come from?
15. she not swim/in the swimming pool/right now
16.we/not/like/eat/salad
17.your friend/speak Vietnamese?
18. nam/i/study/hard/last weekend
19.my father/not/play /golf/yesterday
20. what /you/ buy in the supermarket/every day?
21. they /not/work/late/on Mondays
22.they/be/foreigners?
23.your mother/go shopping/with /friends/park/last weekend
24. when/she/study ?
25.Mrs. Nhung/ wash/dishes/last night?
26. why/they/always /water the plants?
27. what/your mother/usually cook/breakfast?
28. Lan/cook/chickennoodles/dinner/yesterday
complete the sentences,using the correct tense or form of the verbs in brackets ( ghi d
18. we(have) ........................english three times a week
19. scientists(develop) .................................new energy sources to protect the environment now
20. normally they (start) ........................... school at energy
21.tommy ...............................(not/go)out with his family next summer holiday
22. they always (teach).......................................me new things
23. my mother (be) ........................... a teacher when she was young
24. linda (be) ............................................a teacher
25. they (buy) .............................. a new car two days ago?
26.we(not/have) ........................... a lot of homework yesterday
27. if they (have ) .................................... more time, they (buy) ...................................... a new house
28. how often (your brother/go)............................................to school?
29. Daniel (fly) ......................... to London once a year
30. let's (help)................................. the elderly in our neighbourhood
31. he(go) ................................ to the zoo last sunday
32. my parents(sell) .................... the stereo at a garage sale last sunday
33. you(tell)...............................anyone about this show every night
34.yesterday,i(not/be) .............................. at home
35. he (play) ......................................................basketball next week
36. she never (do) ................................ her housework
37. what about (get) ................................ home by car?
38. timmy ...........................................(watch)this music show every night
39. he hasn't got a bike at the moment , so he (walk) ................................. to school tomorrow
40. he(not/do)........................... his homework in the evening
41. they(visit) .................................. to Lon don at present?
42. students often ( go) .................................. to school cafeteria at lunch time
43. they (meet) ..................................their friends at the movie theater last week
44. my mother (have).................................... an oval face
45. Nam(not/go) .................................. to the english club in the afernoon
46. what you (study) ............................now?
47. would you like( drink) ..................................some tea?
48. ................................... they ( read) .............................. books in the library now? - yes, they are
49. this(be) ................................... my best friend,Nam
50.look! he(play ) ............................football now
51. he(not/like) ........................eating apples
52. apples(be) ...................................... good for our health
53. now he (look) ..................................... at me and (smile) ...............................at me
54. she often (watch) ......................................... TV every night
55. i often (play) ............................... the piano in the evening, but tonight i (watch) ..............................TV
1/cho đa thức Q(x)=-2x+x^3 -4x^2+3-5x^2
a) thu gọn và sắp xếp đa thức trên theo luỹ thừa giảm dần của biến..tìm bậc của đa thức.
b)tính giá trị của đa thức Q(x)khi x=-2
2/cho đa thức M(x)=x^3 -ax^2-9. tìm a để đa thức M(x) có nghiệm x=3
3/ kết quả tìm hiểu về khả năng tự nấu ăn của tất cả HS lớp 7B được cho bởi bảng thống kê sau:
| khả năng tự nấu ăn | không đạt | Đạt | giỏi | xuất sắc |
| số bạn tự đánh giá | 20 | 10 | 6 | 4 |
hãy tính tổng số học sinh của lớp 7B?