单项选择题
A.Riggins
B.Gears
C.Boarding arrangements
D.Fittings
单项选择题 在进行了全面运行测试后,IS审计师对相应的恢复步骤进行了审核,并发现为了将技术环境和系统的所有功能回退所花费的时间超过了规定的关键恢复时间,审计师应当提出下面哪一项建议?()
单项选择题 The external circumference of a pair of main bearing shells is slightly () that of the bore of the housing which receives themWhat’s the meaning of “that” in the sentence above?
单项选择题 平煤杆横截面(),从而可以减小平煤杆与平煤溜槽之间的磨擦。