user-avatar
nnha1592
2 năm trước
Một ca nô đi xuôi dòng nước từ bến sông A đến bến sông B hết 2 giờ và đi ngược trở về hết 4 giờ. Hỏi nếu một chiếc bè thả trôi từ bến sông A đến bến sông B hết thời gian bao lâu?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Choose the letter A, B, C or D the word that has the underlined part different from A. VOCABULARY AND GRAMMAR. others. (2,0pts) Question 1: A.excited B.enjoyed C.bored D.amazed Question 2: A.hear B.near C.fear D.pear Question 3: A.station B.mistake C. Lane D. Many Question 4: A.turned. B.crossed C.described D.terrified Question 5: A.favorite B. Slight C. Fine D. High Question 6: A.fold B. Close C.cloth D.hold Question 7 A.gather B.monthly C.father D. Brother Question 8: A.tooth B.there C.bath D.both Question 9: A.plays B.looks C.wants D.helps Question 10: A.much B. drug C.buffalo D.future II. Choose the letter A, B, C or D to complete the sentences(4,0pts) II. Choose the letter A, B, C or D to complete the sentences(4,0pts) Question 11. Look at the photo! You are.. A.driving B. flying C. riding D. walking Question 12. Solar energy.... A.use B. will use C. will be using D.will be used Question 13. You can use a jet pack to.. anywhere easily. A. drive B. sail C. ride D.fly Question 14.: She couldn't go far because she was afraid of........... A. to fly B. fl C. flying D. be flying Question 15: 1........... go to school on foot when I was in primary school.. A. have to B. used to C. can D. may Question 16:the film was grippng, Tom slept from beginning to end. A.However B.Althought C.In spite of D.Despite Question 17: The film was boring.............. we went home. A.so B. when C. but D. if Question 18. You should look right and left when you go..... the road. A.along B.up C.down D.across Question 19:......... the traffic, I arrived on time. A. Though B. Although C. Even though D. In spite of

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team