题型:选择题 —Could you tell me something about Greece?—Sure, it is _____ European country and has _____ population of over 1,0000,000 . [ ]A. a; a B. an; a C. a; the D. an; the 查看答案
题型:选择题 Lee came to Beijing in 2005.He has been here ____________ than you.A.longB.longerC.longestD.the longest 查看答案
题型:单项选择题 关于CT模拟定位,下列描述错误的是()A.扫描范围和常规CT检查一致B.靶区扫描层厚一般为3~5mmC.体位重复性要求比X线模拟定位更高D.靶区外一般用1cm层厚扫描E.价格昂贵,定位时间长 查看答案