mk trình bày bên dưới
Bài 1 :một bể nước dạng hình hộp chữ nhật có các kích thước trong lòng bể : dài 1,8m, rộng 1,5m , cao 1,2m . Hiện giờ bể đang chứa 3/5 thể tích bể . Hỏi trong bể có bao nhiêu lít nước Bài 2:Tính 35% thể tích bể nước là bao nhiêu lít , biết bể chứa được 3,5m3 nước Bài 3 :Một khối kim loại hình lập phương cạnh 2dm cân nặng 62,4kg . Hỏi 750cm3 kim loại đó cân nặng bao nhiêu ? Bài 4: Khối kim loại hình lập phương có cạnh 1,5dm . Biết rằng 5cm3 kim loại đó cân nặng 60g .Hỏi khối kim loại đó cân nặng bao nhiêu ki lô gam ?
Tìm trong những ví dụ dưới đây câu đặc biệt và câu rút gọn:Mặc! Dân, chẳng thời dân chớ! Con bài ngon há nỡ bỏ hoài ru! Quan lớn ngài ăn, ngài đánh; người hầu kẻ hạ, kẻ vâng.
Còn cậu c với d chỉ giúp mk với
VI. WRITING Exercise 1. Make questions for the underlined parts in the following sentences. There is an example in the beginning. 1. She was born in 2005. When was she born? 2. I’m watching a TV show at the moment. _____________________________________________________________? 3. The children are playing in the park. _____________________________________________________________? 4. They get to school by bus every day. _____________________________________________________________? 5. We play sport because it’s good for our health. _____________________________________________________________? 6. Mr Smith teaches us English at school. _____________________________________________________________? 7. This is Tom’s bike. _____________________________________________________________? 8. There are forty students in my class. _____________________________________________________________? Exercise 2. Join these pairs of sentences in different ways, using a suitable conjunction: and, but, so, because or although. There is an example at the beginning. 1. It is raining heavily. They can’t go for a walk. => They can’t go for a walk because it is raining heavily. => It is raining heavily, so they can’t go for a walk. 2. Tom can play the guitar. He can also play the piano. => ____________________________________________________________. => ____________________________________________________________. 3. I love ice cream. I don’t eat it often. => ____________________________________________________________. => ____________________________________________________________. 4. Hoa lived in Great Britain for many years. She speaks English very well. => ____________________________________________________________. => ____________________________________________________________. 5. It rained a lot. We enjoyed the holiday. => ____________________________________________________________. => ____________________________________________________________. ai làm dc mik tích cho 5 sao cộng 1 cảm ơn
Các bạn giúp mik với!!! cảm ơn ạ >^<
vận tốc bay của con chim đại bàng là 96 km/ giờ. tính thời gian để con đại bàng đó bay được quãng đường 72 km
I.Odd one out: 1. A. city B. tower C. village D. address 2. A. house B. busy C. quiet D. crowded 3. A. lane B. street C. road D. floor 4. A. worker B. farmer C. work D. driver 5. A. how B. village C. where D. who 6. A. small B. quiet C. noisy D. center 7. A. reading B. jump C. skip D. dance 8. A. Chinese B. Vietnamese C. American D. Japan 9. A. crowded B. countryside C. noisy D. modern 10. A. eat B. had C. went D.enjoyed II. Choose the correct answer: 11.Ha Noi is a big ............. in the north of Viet Nam. A. street B. city C. town D. lane 12.His.......... is 52 Tran Phu Street. A. class B. road C. town D. address 13.There are two tall ...........in my street. A. tower B. towers C. town D. mountains 14. Linda :Who do you live ........?Mai: I live ........... my parents . A. in –in B. for –for C. with-with D. at -at 15.Ha Noi and Ho Chi Minh City are two big........in the country. A. city B. country C. cities D. countries 16.Mai : Where do you live , Trung ?Trung : I live .......... Flat 18 ........ the second floor.............. Ha Noi Tower. A. in -on –to B. of -in -on C. in -on –of D. on -in –in 17............. did she go yesterday morning? She went to the bookshop. A. What B. Where C. When D. Why 18............. is that ? It's my teacher. A. What B. Who C. Where D. How 19. Does she like sandwiches ?....... A Yes, she do B. Yes, she is C. Yes, she does D. Yes, she like 20. He is................... Vietnam A. from B. on C. in D. At 21. I don't like Maths...........it is difficult. A. and B. but C. so D. because 22. Where were you yeterday? A. I went to the zoo. B. I was at home C. He was at home D. I took a boat trip. 23. What's the matter............you? A. in B. with C. on D. of 24. Do you like English? Yes,I.......... A. do B.am C. like D. don't 25. He often..................to school in the morning A. go B. going C. goes D. to go 26. They are from................................... A. Singapor B. Vietnamese C. English D. American 27. His birthday is........................ the first of June A. at B. on C. in D. about 28. A........... works in a hospital. A. teacher B. worker C. nurse D. farmer 29. We went to the cinema.............................. A. today B. yesterday C. tomorrow D. next Sunday 30....... your birthday? It's in May. A. What's B. When's C. It's D. Where's 31. Would you like..... milk? No, thanks A. an B. a C. some D. one 32. Can you swim, Mai? No,...... A. I can B. I can't C. he can D. he can't 33. What..... does Peter have at school? -He has Maths, English, Art.... A. lesson B. subjects C. subject D. English 34. Why do you like Music? Because I like...... A. to read B. to draw C. to write D. to sing 35. What's the matter............. you? A. for B. to C. with D. on 36. Yesterday they ......... to Ha Long Bay. A.went B.go C.are going D.to go 37. How often do you visit your uncle and aunt? -......... A. Once a week B. One a week C. Two a week D. Twice week 38.Nam often ....... to the zooon Sundays. A. go B. goes C. going D. is going 39. There are four ....... in a yearspring, summer, fall and winter. A. activities B. pastimes C. weather D. seasons 40. What did the peacocks do______ you were there ? A. when B. where C. why D. went
NaHS có tác dụng với H2S không ạ? FeSO4+H2S có hiện tượng gì ạ?
Vẻ đẹp của thế hệ trẻ việt nam thời kháng chiến chống mỹ cứu nước ta qua hai nhân vật anh thanh niên trong lặng lẽ sa pa và phương định trong những ngôi sao xa xôi Em đang cần gấp ạ nhờ mọi người giúp
ai giúp em vote 5sao cho nhanh ạ I. Choose the word which has a different stress pattern from the others. 1. A.charity B. reality C. quality D.density 2. A.curiosity B. personality C. community D. university 3. A.additive B.positive C.primitive D.possessive 4. A.nationality B.mobility C.equality D.majority 5. A.transitive B.effective C.positive D. sensitive II. Give the right word formation for these provided word 1. ____________waves are one of the great forces of nature. (tide) 2. Tsunamis, earthquakes and typhoons are ____________ disasters. (nature) 3. Our _______________ turns out to be correct. (predict) 4. The building was _______________ damaged by the fire.( extend) 5. The most __________ earthquake in Japanese history damaged Tokyo and Yokohama.(disaster) III. Complete each sentence with the correct word from the box. drought flood hurricane landslide tornado 1.When there is a _____________, a lot of water covers an area where the usually isn’t water. 2. A______________ refers to a long time without rain. 3. When there is _____________, a lot of rocks and earth fall down a hill. 4. A __________________ is a storm with a lot of wind that moves over water. 5. A__________________ is a storm in which the air moves very quickly in a circle. IV. Use a simple past or past perfect tense form. 1. The patient (die) before the doctor (arrive). 2. As the fire (break) out, people (hurry) out of their house. 3. I (meet) him yesterday. 4. I (recognize) him immediately as I (see) him before. 5. I wish I (stay) with my friend during his last days. V. Read the text then choose the best answer to fill in the blank. China said today that there was heavy loss of life in the earthquake which struck Tangshan City yesterday. Survivors said that Tangshan, an industrial city of one million people 160 kilometers east of Peking, was completely (1) _______________ Observers living in Beijing said it appeared that only a mall part of the one million inhabitants escaped (2) _______________ or injury. Many of the men of Tangshan were working in the (3) _______________ deep under the earth’s surface when the (4) _________ occurred. Unfortunately, few of these miners have (5) ………. 1. A. broken B. destroyed C. killed D. collapsed 2. A. death B. destruction C. disaster D. accident 3. A. roads B. ways C. fields D. mines 4. A. fall B. disaster C. loss D. collapse 5. A. existed B. rescued C. survived D. saved VI.Change into passive voice. 1 . Mary types letters in the office. 2. His father will help you tomorrow. 3. Science and technology have completely changed human life. 4. Peter broke this bottle. 5. They are learning English in the room.
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