Kangaroo: ..............
Elephan:.............
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2
18 tháng 3 2018
1they hold the elephan race in dakl dakl
=>the elephant race is held in dakl dakl
21 tháng 4 2016
5 con kangaroo gồm hai con nhẹ nhất và ba con nặng nhất chiếm 25% + 60% = 85%. Vậy còn lại 15%.
15% này tương ứng với 1 con kenguru, vì nếu có 2 con trở lên, 1 trong hai con đó sẽ có cân nặng không quá 7,5% tổng cân nặng của các con, điều này mâu thuẫn với thông tin là 2 con kangaroo nhẹ nhất cân nặng bằng 25% cân nặng của cả nhóm.
Vậy nhóm kangaroo có 6 con (gồm 2 con nhẹ nhất, 1 con 15% ở giữa và 3 con nặng nhất).
PT
15 tháng 5 2021
I. Find the word which has a different sound in part underlined. Read the words out loud
1. A. other B. leather C. wealthy D. brother
2. A. television B. elephant C. section D. Swedish
3. A. allowed B. decided C. changed D. stayed
4. A. hotel | B. postcard | C. shore | D. cold |
5.A. Dutch B. Russian C. just D. use
II. Choose the best answer
6. She asked me ............. I came from
A. where B. if C. do D. whether
7. She said she ………. to the Moon when she had enough money.
A. travel B. to travel C. would travel D. travelling
8. If we use water………., more people will have cleaner water.
A. care B. carefully C. careless D. carelessly
9. The family took part ..................... a lot of activities in the festival.
A. of B. on C. at D. in
10. If the teacher were here now, we’d ask him the difference ………. “science” and “technology”.
A. among B. of C. between D. for
11. How about ............. to Thien Cam beach this weekend?.
A. go B. going C. went D. gone
12. People who cannot hear or speak often communicate using ………..
A.pictures B.sounds C.codes D.signs
13. Teenagers spend most of their time playing computer game; ………., they lose their interests in daily activities.
A.moreover B. so C.however D. as a result
14. Science is used in all corners of the world for the ………. of people.
A.interest B.need C.profits D.benefit
15. All our English teachers are . . . . . speakers.
A. native B. original C. foreign D. orginally
III.Give the correct form of the verb in brackets
16.I (watch) …will be watching ………… a science fiction film on TV at 9 .00 tonight.
17.Look at those clouds – I think it (rain)…is going to rain……………………….………..
18- 19. If you use robots to do the housework, you (become)……will become… lazy and you (not get)…won't get.. enough exercise.
20. We (walk )…walked……………………along the street, we saw an accident.
21. If you (not break) …don't break……… the rules, the teacher will not punish you.
V. Read the passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of numbered blanks
It is estimated that about 200 million people who use the Internet computer network around the world. The Internet allows people _____ (27) at home instead of traveling to work. The Internet allows businesses to communicate with customers and workers in any part of ____ (28) world for the cost of a local telephone call. E.mail allows____ (29) to send documents, pictures and other data from one part of the world to another in at least 5 minutes. People can use the Internet to do shopping. ____ (30) saves a lot of time. It is possible to use the Internet for _____ (31) – students may connect with their teachers from home to send or receive e.mail or talk their problems through “on-line” rather than attend a class.
27. A. work | B. to work | C. worked | D. works |
28. A. a | B. an | C. the | D. one |
A. use | B. users | C. useful | D. useless |
A. This | B. These | C. Those | D. They |
A. educate | B. educator | C. educating | D. education
|
VII. Rewrite the following sentences so that their meaning stays the same, using the words given.
32.Shall I take a piece of cake here?. → Would you mind if I took a piece of cake here…………
33.“ The film will begin at seven o’clock,” they said.→ They said that The film would begin at seven o'clock
34. I don’t have enough time, so I can’t go on holiday this summer→If I have enough time, i can't go on holiday this summer
35. “I’m having a good time here” said Lan. → Lan said ………
36 . You should water these flowers regularly. → These flowers should …………
37. During dinner, the phone rang.→ While I was cooking my dinner, the phone rang.
38. Vy ate a lot last night, so she had a stomachache.→Because. Vy ate a lot last night, she had a stomachache……………
VIII. Reorder the words below to complete sentences.
39. In/ from/ came/Nick / England/ / he/ town/ small/ said/ that/ a.
Nick said that he came from a small town in England.
40. was/ the/storm/ by/ destroyed/ week/The/ village/whole/last/.
The whole village was destroyed by the storm last night
IV. Read the passage and choose the best answer
The United States is a large country. It is the third largest in the whole world! It is located in a continent called North America. Parts of the United States touch three different oceans. The United States has tall mountains, wide plains, deserts, hills, rivers, lakes, volcanoes and even rainforests! People from all over the world have come to live in the United States. There are 50 states in the United States. The newest states, Alaska and Hawaii, are not connected to the other states. Alaska is the largest state and Hawaii is a chain of islands in the Pacific Ocean.
22.The United States is the _________ country in the world.
A. second largest B.largest C.smallest D.third largest
23.Alaska is ___________ and Hawaii is __________.
A. a chain of islands/ the largest state B. the largest state/ a chain of islands
C.a chain of islands/ the largest state D.not connected to the other states/ the largest state
24.The United States does not have ____________.
A.50 states B. volcanoes C. mountains D.continents
25.Parts of the United States touch _________ different oceans.
A.1 B.2 C.4 D.3
26.What continent is the United States in?
A.North America B.Australia C. Africa D.Europe
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3
21 tháng 3 2022
5 phút = 300 giây
Vận tốc của Kangaroo là:
\(v=\dfrac{s}{t}=\dfrac{4165}{300}\approx14\left(\dfrac{m}{s}\right)\)
kangaroo : chuột túi
elephant: voi
Kangaroo:Chuột túi
Elephant: con voi