21. It pays to take part in social works in order to know the outside world better. 9 K8 B N8 o2 e) Y9 K
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22. Listening to music enables us to feel relaxed. 1 A( |: O/ l& h1 U5 s
& D8 e3 q# \' w4 A( k5 S- S h 23. We should bring home to people the value of working hard. 3 ]; P" Z' Q1 x$ X8 W/ G
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24. Taking exercise is closely related to health.
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25. The condition of our traffic leaves much to be desired. , u& W0 F* n+ T
- s' C% k0 W0 _/ l 26. …change the course of history…
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…turn over a new leaf…
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…shape the destiny of a nation…
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! Z6 N) {: w' N) g3 |8 t% {/ ? …shape the world… 5 \7 B+ K0 N; G: Q
/ Y1 t0 I& L7 W7 ~) c; t6 D) k7 u …break a new ground…
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2 n" P' u; D+ o" D. p 27. Smoking has a great influence on our health.
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; J1 ?! f+ P" K1 |, U 28. Pollution poses a great threat to our existence.
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29. We shall do our utmost to change and reverse the current situation.
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30. Time is more than money. |