124、It＇s sometimes difficult to see the difference between a fad and a trend

162、The calculation aid used by human being was abacus.

161、 this in view, English for science should be properly taught and learnt.

160、There is a high degree of correlation mathematics and computer science.

159、office automation system

158、electronic mail

157、desktop computer

156、application software

155、Hexadecimal

154、wireless network

153、global control bus