user-avatar
minhlevan670
2 năm trước
1 xe máy đi từ A đến B với vận tốc 35 km/h . Lúc về người đó đi với vận tốc 40km/h . Do đó thời gian về ít hơn thời gian đi 20 phút . Tính quãng đường AB.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Question 3: Choose the word or phrase that best complete each sentence. 1. Don’t let a good chance go ............... A. on B. off C. by D. over 2. Leave it ....................it is. A. that B. as C. like D.so 3. Stop now! You've done ..............work for one day. A. too many B. plenty C. quite more D. quite enough 4. Never ...............a gift horse in the mouth. A. feel B. catch C. hold D. look 5. Give me a word .....................with S. A. beginning B. began C. begins D. begin 6. He seldom goes fishing........................? A. doesn’t he B. is he C. does he D. isn't he 7. ................weather! We can't go out for a walk now. A. How terrible B. What terrible C. How a terrible D. What a terrible 8. Not one of the students ...............the answer to that difficult problem. A. know B. knows C. is knowing D. has known 9. She spoke quietly to him ................nobody else could hear a word. A. because B. if C. although D. so that 10. If you want to ..............success in life, you have to work hard. A. achieve B. receive C. award D. earn 11. A surgeon is a doctor who performs an operation. A. studies B. researchers C. is interested in D. carries out 12. We will wait until he shows up A. appears B. answers C. speaks D. finishes Question 4: a) Fill in each numbered blank with a suitable word According to the writer, the modern father looks after his children and helps in the house, even (1)............... his wife does not goes out to work. The division (2)................ the roles of the mother and the father is no (3)............... very clear, and dad does (4).................. share of child care: he can change the baby, dress the children or make the dinner.This new image of the father is, of (5)...................., completely (6) ..................from the still traditional dad,(7).................... represents authority, is the head of the household (8).................makes all the "important" decisions. His wife is (9).....................for the domestic side of family life while he (10)..................the one who advises or punishes as necessary. (if/though - between/of - longer/more - his/the - course - different - who - and - responsible - is/remains/stays) b) What do these sentences imply? A or B? 1. I really appreciate your staying A. You've decided to stay . B. You might stay. 2. Would you might if I opened the window? A. You have opened the window already . B. You haven't opened the window yet. 3. I have a report to write A. I'm going to write a report. B. Someone else already wrote the report. 4. He eats his father's salt. A. He lives together with his father. B. His father provides him with food and clothing. 5. They are in the same boat. A. They are traveling by boat B. They have the same danger to face.

Question 1: Pick out the word with the underlined part pronounced differently from that of the others. 1. A. concerned B. received C. attached D. concealed 2. A. beds B. doors C. students D. plays 3. A. sugar B. sister C. sign D. singer 4. A. of B. cafe' C. knife D. leaf 5. A. leisure B. pressure C. treasure D. pleasure Question 2: Supply the correct form of the verb in brackets. 1. Look at those black clouds. It (rain). 2. There's someone behind us. I think we (follow) 3. He should know how (use) the lift, but if he doesn't you'd better show him 4. I (not use) the car this evening, so you can have it. 5. It took us ages to get used to (live) in flats. 6. I told my mother that I wanted to ( wake) up at 6.30 7. They (practice) their music lesson at 7 o'clock last night. 8. The Browns (travel) to Asia many times. 9. Don’t worry. He (promise) to come if he (have) time.

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