electronic hybrid car, electricity scooter.
Every city suffer from traffic jam, people pollute environment with consumption very expensive coal energy, and they waste the time on street all over the world. Until now, the bicycle is not evaluated good without a little group of people. The transportation apportionment of bicycle was only 1.2%, in 2008. The government announced a policy that they w
Tune In 2 Audio Script
뻂Oxford University Press. Permission to edit and reproduce for instructional use
A: I have five nephews and two nieces. They몶re so fun몭
Don몶t you love being an uncle?
B: I guess so. It몶s nice, I suppose.
2. Listen and Understand Class CD 1 Track 6
뫥 Page 5
A: What do you usually do when you get home?
B: Good question, Marie. Well, I always do my
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5. (a)10N(왼쪽)+40N(오른쪽)=-10N(오른쪽)+40N(오른쪽) = 30N(오른쪽)
(b)좌우상하의 힘이 평형을 이루고 있는 상태이므로 알짜 힘이 0이다.
(c)좌우(수평성분)는 평형을 이루고 있다.
알짜 힘은 아래쪽방향으로 18N 이다.
7. (a) (b)