急求一篇120字英语作文“The Quality of products”万分感谢1.产品质量差的原因2.产品质量差的后果3.怎样提高产品质量

TheQuality of products2010 World Expo is getting closer,civilization and harmonious call is ringing in our ears.Shanghai is the host city of the World Expo,2010.As an volunteer of the Expro.I think it...