giúp mik vs ạ ,mik cần gấp
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NK
5
H
29 tháng 5
Quarks can be separated, but are never found alone. Free quarks are never seen alone. They are always strongly bound together by color force and only exist inside hadrons.
30 tháng 5
@Hello!
Tham khảo:
Quarks can't be broken into smaller components, making them the smallest thing we know of. In fact, they're so small that scientists aren't sure they even have a size: they could be immeasurably small. We do know that they're at least 1018 ( or one quintillion ) times smaller than Alice.
17. watch
18. do
19. play
20. listen
21. is - is reading
22. do (you) do - am
23. are (you) going - am going
24. does (your father) work
25. is coming
26. speaks
27. smoke
28. have
29. washes
30. teaches
31. met
32. goes
33. cost
34. is singing
35. wants
36. do (you) read
37. goes - didn't go - went
38. is making
39. taught
17 Watch
18 do
19 play
20 listens
21 is - is reading
22 do - do - am
23 are - going - am going
24 does - work
25 is coming
26 speaks
27 smokes
28 have
29 washes
30 teaches
31 met
32 goes
33 cost
34 is singing
35 wants
36 do - read
37 goes - didn't go - went
38 is making
39 taught