Exercise 5: Choose the best option to fill in the blank. 1. There used to be fewer people and .................. on the roads. A. roofs B. helmets C. helicopters D. vehicles 2. Do you know the .................. in the UK is to keep to the left? A. traffic light B. traffic rule C. traffic jam D. speed limit 3. It is dangerous to ride a motorbike without a .................. A. helmet B. triangle C. tricycle D. circle 4. In Hanoi, during rush hour, some road users ride their motorbikes on the .................. A. driving licence B. lane C. pavement D. seat belt 5. Traffic is terrible during the .................. when everyone is in a hurry to get to work or come back home. A. traffic light B. road sign C. traffic rule D. rush hour 6. The ................ for motorcycles is 40 km/h in towns and 60 km/h outside urban areas. A. speed limit B. driving licence C. traffic rule D. traffic light 7. You must .................. the traffic rules in order to avoid accidents. A. park B. obey C. reverse D. warn 8. It takes us more than three hours to drive across those .................. roads. A. wide B. safely C. right-handed D. bumpy 9. You need a driving licence to .................. A. drive a car B. ride a bike C. get on the bus D. get off the train 10. The large supermarkets in Vietnam often let you .................. free. A. park B. obey C. warn D. find 11. Some vehicles beep when they .................. to warn those behind. A. ride B. reverse C. drive D. sail 12. After school, children queue up and wait for the bus .................. on the pavement in front of the school. A. safe B. bumpy C. safety D. safely

Bài 8: Một xe đạp đi nửa quãng đường đầu với vận tốc 60km/h, nửa đoạn đường sau với vận tốc 40km/h. Xác định tốc độ trung bình trên cả quãng đường?

Calli : Ai cho vô nhóm từ nay tôi sẽ cày!

y=-4sin2x-3 hãy tìm giá trị lớn nhất,giá trị nhỏ nhất và tập xác định

Soạn bài từ ghép trang 13-17. Không mạng. Không copy

Các bạn trình bày chi tiết giùm mình nha

Giúp mik ạ: 17- Linh said that " I can sing this song " _______________________________________________ 18- John said that "I'm very busy" _______________________________________________ 19- Mary said "I come to school by bus" ________________________________________________ 20- Tom said "I can do this exercise" ________________________________________________ 21- The pupils said"We'll finish our lesson on time" _________________________________________________

vt tập hợp p gồm các phần tử từ 1 đến 1000

Tìm các phân số bằng nhau trong các phân số dưới đây: 2/5,4/7,12/30,12/21,20/35,40/100

10. Tommy…………… to go swimming every day. He has an amazing body. A. fancies B. enjoys C. doesn't mind D. likes 11. Coco………………to watch TV at night. A. adores B. hates C. fancies D. dislikes 12. Katarina…………………doing morning exercise. She is healthy. A. dislikes B. love C. loves D. dislike 13. Schoolchildren waste time sitting in front……….the computer. A. before B. after C. about D. of 14. She often hangs……………with her friends in the shopping mall. A. in B. out C. of D. to 15. He is keen…………….collecting stamps. A. on B. of C. with D . in