问题补充：
单选题Theinventionofthechipgreatly_______thedevelopmentofcomputerscience;______thecomputersciencesteppedonthefreewayofrapiddevelopment.A.improved; after thatB.advanced; after thatC.quickened; after whichD.advanced; after which
答案：
B解析第一空考查词义辨析：improve提高，改善，advance促进， quicken加快， 第二空考查定语从句用after which 引导，句意是：芯片的发明促进了电脑科技的发展，之后电脑科技在快速发展的高速上加快发展。选B
