51.With the increasing unemployment rate,workers who are 50 to 60 years old are usually the first to be_____.A) laid aside C) laid outB) laid up D) laid off52.People's expectations about the future may have more influence on their_____ sense of well-

英语翻译A positive integer is called a perfect power if it can be written in the form a^b (a的b次方),where a and b are positive integers with b>=(大于或等于).for example,32 and 125 are perfect powers because 32=2^5 and 125=5^3The increasi 英语翻译Product differentiationPackaging has always played its part in distinguishing one manufacturer’s product from another.Its first manifestations-labels-were crafted to do just that.Now the whole differentiation process has become increasi 英语翻译下面是一篇英文,帮我看一下是啥呢么意思,不需要逐字逐句翻译说清意思即可Project:Implement and Test Item-Based Collaborative FilteringRecommendation AlgorithmsiThe amount of information in the world is increasi with the Change With The Change With The the love with the same the love with the sex with the Gone with the wind cut with the Cut with the gone with the with the correct “I Come With The 英语翻译with the blow? the boy with short down with the pen play with the cd with the light