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- Since ancient times people have found various ways to preservemeat.
- 共用题干 Migrant(移民的)WorkersIn the past twenty years,there has been an increasing tendency for workers ...
- 共用题干 Save Energy At HomeOn the average,Americans waste as much energy as two-thirds of the worlds p...
- 共用题干 “Liquefaction” Key to Much of Japanese Earthquake DamageThe massive subduction zone earthquake...
- 共用题干 Ecosystem1. The word “ecosystem” is short for ecological(生态的)system. An ecosystem is where liv...
- 共用题干 第二篇Good Table MannersManners play an important part in making a favorable impression at the di...
- 共用题干 The iPad1 The iPad is a tablet computer(平板电脑)designed and developed by Apple. It is par-ticula...
- Ice Cream Taster Has Sweet Job John Harrison has what must be the most wanted job in the Unite...
- 共用题干 Ford1 Fords great strength was the manufacturing process一not invention.Long before he started ...
- 共用题干 EarthquakeHow does an earthquake start?What makes an earthquake happen? The rock of the earths...