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DT
Đỗ Thanh Hải
CTVVIP
5 tháng 12 2021
32. Yoko is from Greece. She is ...............Greek......................................... (GREECE)
33. How many …………………national…………………… holidays do you have? (NATION)
34. I’d like a nice ……………juicy…………………..…….. lemon. (JUICE)
35. The …………………librarian……………..…….. can help you find books easily. (LIBRARY)
36. Football is one of the most popular after-school ………………activities………………..…….. (ACTIVE)
37. Mr. Quang spends his ……childhood………………………….……..…….. in Cambodia. (CHILD)
38. David Beckham is very …………………famous……………..…….. (FAME)
39. I can’t find my book. It ……………………………disappeared…..…….. (APPEAR)
40. Ann is interested in ……………collecting…………………..…….. coins. (COLLECTOR)
41+42. She has a big …………collection…………..of stamps, she is really a ……………collector………….. (COLLECT)
43. This factory has about 2000……employees……………………………..………… (EMPLOY)
44. He drives so………dangerously……………………………. I think he will have an accident. (DANGER)
45. Children like wearing…………colorful ………….……………… clothes. (COLOR)
46. Don’t eat that food. It is………unhealthy………………………..……… (HEALTH)
47. I love people here. Their……friendliness……………………….……….. makes me stay here longer. (FRIEND)
dùng K nha mấy bạn
2 tháng 12 2021
1. Áp dụng t/c dtsbn ta có:
\(\dfrac{x}{1}=\dfrac{y}{6}=\dfrac{z}{3}=\dfrac{2x-3y+4z}{2.1-3.6+4.3}=\dfrac{24}{-4}=-6\)
\(\dfrac{x}{1}=-6\Rightarrow x=-6\\ \dfrac{y}{6}=-6\Rightarrow y=-36\\ \dfrac{z}{3}=-6\Rightarrow z=-18\)
2. Áp dụng t/c dtsbn ta có:
\(\dfrac{x-1}{2}=\dfrac{y+3}{4}=\dfrac{z-5}{6}=\dfrac{\left(5z-25\right)-\left(3x-3\right)-\left(4y+12\right)}{5.6-3.2-4.4}=\dfrac{5z-3x-4y-25+3-12}{8}=\dfrac{50-25+3-12}{8}=\dfrac{16}{8}=2\)
\(\dfrac{x-1}{2}=2\Rightarrow x=5\\ \dfrac{y+3}{4}=2\Rightarrow z=5\\ \dfrac{z-5}{6}=2\Rightarrow z=17\)
3.\(6x=10y=15z\Rightarrow\dfrac{x}{\dfrac{1}{6}}=\dfrac{y}{\dfrac{1}{10}}=\dfrac{z}{\dfrac{1}{15}}\)
Áp dụng t/c dtsbn ta có:
\(\dfrac{x}{\dfrac{1}{6}}=\dfrac{y}{\dfrac{1}{10}}=\dfrac{z}{\dfrac{1}{15}}=\dfrac{x+y-z}{\dfrac{1}{6}+\dfrac{1}{10}-\dfrac{1}{15}}=\dfrac{90}{\dfrac{1}{5}}=450\)
\(\dfrac{x}{\dfrac{1}{6}}=450\Rightarrow x=75\\ \dfrac{y}{\dfrac{1}{10}}=450\Rightarrow y=45\\ \dfrac{z}{\dfrac{1}{15}}=450\Rightarrow z=30\)
10 tháng 7 2016
it 's twelve o'clock , Nam . Let's ...........go...........home . ( go , going , to go , goes)
Tuan and I .........are playing.............badminton in the yard. ( playing , am playing , are playing , is playing)
DT
Đỗ Thanh Hải
CTVVIP
25 tháng 10 2021
1. I.(go) _____went______ to this restaurant with Jenney in 2006.
2.Lan ( go )______went_______ home late last night.
3. We (not write) _______didn't write____ to John many months ago.
4.What ________did___ you (do)____do_______ yesterday evenning?
- I (go) _____went______ to the movies.
5. Nam (do) _______was doing____ his homework at 9 o’clock last night.
6. He (not play) _____didn't play______ chess 2 days ago.
6.What ____were_______ you (do)______doing_____ when the earthquake (happen) _______happened____ lastnight?
7.______Did_____ your father (come) _____come______ to Mrs. Lan’s party last week?
8. When Mr. John (be) _____was______ a student 20 years ago, he always (miss) ________missed___ his school bus.
9.Last week when I(drive) ______was driving_____ along the street, I (see) ______saw_____ an accident.
10.While we (sleep)_____were sleeping_______you came home yesterday.
11.Where___did_____you (go)________go____yesterday?
12.This time yesterday .I (visit )________was visiting________my aunt.
13.Tom and Mary ( watch )________are watching ________TV at the moment.
14.He often (walk)________walks______to school.
15.She (not cook)______isn't cooking__________now.
QK
25 tháng 10 2021
1.went
2.went
3.didn't write
4.did/do/went
5.was doing
6.didn't play
6.were you doing/happened
7.did/come
8.was/was missing
9.was driving/saw
10.were sleeping
11.did/go
12.was visiting
13.are watching
14.walks
15.isn't cooking
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