giúp mk sửa lỗi sai vs ạ. mk cần gấp
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1 mình nghĩ sai ở to => about
2 D => creative
3 A => have to
4 B => refers
5 B => should
1 gets => get
2 teach => teaches
3 doesn't => don't
4 am => is
5 what do => what does
6 doesn't => don't
7 speak => speaks
8 goes => go
9 aren't => don't
10 is => are
Bài 1:
\(R=U:I=15:0,1=150\Omega\)
\(\Rightarrow R_b=R-R'=150-50=100\Omega\)
\(I=I'=I_b=0,1A\left(R'ntR_b\right)\)
\(\left\{{}\begin{matrix}U'=R'.I'=50.0,1=5V\\U_b=R_b.I_b=100.0,1=10V\end{matrix}\right.\)
\(I_{sau}=I+0,15=0,1+0,15=0,25A\)
\(\Rightarrow R_{bsau}=U_b:I_{sau}=10:0,25=40\Omega\)
1. is -> was
2. depressing -> depressed
3. has gone -> had gone
4. was opening -> opened
5. attending -> to attend
6. tomorrow -> the next day
7. two - days -> two - day
8. do i want -> i wanted
9. câu này hình như thiếu đề ạ
10. will we -> shall we
7.Therefore -> However
8. a -> bỏ a
9. annoying at -> annoyed at
1. B
2. C
3. C
4. A
5. C