121.一次性收入:lump-sum payment;; I+ j7 m# \0 n
122.一次用包装:non-returnable container;! e' ~2 W2 f+ a4 M/ k" [
123.一次用相机:single-use camera' H- b' x9 m: _$ K3 B& m R
124.西部开发:Develop Western Regions # o) A8 }, ? G0 J( i. b5 s 125.假日经济:Holiday Economy8 F4 n: R! m7 J
126.手机的利与弊:Advantages and Disadvantages of the Cell Phone+ t# k9 W; x% d+ E5 S$ `
127.传呼机不久将会被淘汰吗?:Can Beepers Be Soon Out of Use?+ ]: C o' q: q" P6 y7 |, A8 F' E
128.电脑病毒:Computer Viruses0 K! t$ ?4 n M" W
129.网上犯罪:Cyber Crimes ! ~1 t) C/ G' C% @! k) q$ O3 m 130.旅游热:Tourism Wave