第8题: [单项选择]Tom is ______ many other people who work here. A. junior to B. junior than C. more junior to D. more junior than 参考答案:A 答案解析:[分析] junior“年少的”,“等级低的”。它同inferior,superior,minor用法一样,它们的比较级是与to搭配。如:be inferior to“比……差”;be superio
第9题: [单项选择]在(50,50)坐标点,钻¢12mm、深10mm的孔,Z坐标零点位于零件的上表面,正确的程序段为()。 A. G85 X50.0 Y50.0 Z-10.0 R6 F60 B. G81 X50.0 Y50.0 Z-10.0 R-6 F60 C. G81 X50.0 Y50.0 Z-10.0 R3.0 F60 D. G83 X50.0 Y50.0 Z-10.0 R3.0 F60 参考答案:C