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44. c
45. a
46. câu này có vẻ là a
47. b
48. d
49. a
50. cái này bị thiếu đáp án d nên mình hơi phân vân ý
ờ...tớ ko nhầm thì thừa are
nếu bỏ are thì she's making a papper boat
a: Xét tứ giác AEHF có
\(\widehat{AEH}=\widehat{AFH}=\widehat{FAE}=90^0\)
Do đó: AEHF là hình chữ nhật
2 đèn sáng bình thường
\(=>\left\{{}\begin{matrix}Iđ1=I\left(đm1\right)=\dfrac{60}{120}=0,5A\\Iđ2=I\left(đm2\right)=\dfrac{40}{120}=\dfrac{1}{3}A\end{matrix}\right.\)
(Rdd1 // Rdd2)ntR1
\(=>I1=Idm1+Idm2=\dfrac{5}{6}A\)
\(=>R1=\dfrac{U-120}{\dfrac{5}{6}}=\dfrac{120}{\dfrac{5}{6}}=144\left(om\right)\)
(1) student
(2) their
(3) windy
(4) pleasuring
(5) activities
(6) favorite
\(8^{13}=\left(2^3\right)^{13}=2^{39}< 2^{40}=\left(2^2\right)^{20}=4^{20}\)
\(8^{13}=2^{39}\)
\(4^{20}=2^{40}\)
Do đó: \(8^{13}< 4^{20}\)
1. My mother used to be hooked on playing games.
2. My friends are addicted to watching TV every night.
3. Is she keen on collecting stamps from different countries?
4. My father used to spend a lot of time gardening when he was young.
5. I prefer making crafts and listening to music.
6. Their parents always ban their children from using the computer.
7. People in Singapore love to eat out on the weekend.
8. They used to detest getting up so early in the morning.
9. He prefers playing outdoor games with his friends.
10. Do you love sitting all day in front of the computer?
22 like
23 were
24 was
25 wasn't
26 Were
27 weren't