【简答题】Energy-saving light bulbs are ( definite )_________ getting popular in the UK and in China too in recent years.
【简答题】One of my China Dialogue colleagues in Beijing recently bought a Philips energy-saving light bulb to replace a standard one.He was happy with his choice.It may have cost 30 yuan (just under US$4.50) -...
【简答题】食品防腐剂分为 、 和生物型防腐剂三类。
【单选题】在Visual Foxpro中,取余运算和( )函数作用相同。
【判断题】I use energy-saving light bulbs.