第13题: [单项选择]He talks as if he ______ everything in the world. A. knows B. knew C. had known D. would have known 参考答案:B 答案解析:[解析] 本题测试as if 引导的虚拟语气。当谈论现在的情况时,用一般过去时。例如:He talks as if he were the president.
第35题: [单项选择]不带孔和带孔物品一起用快速压力蒸汽灭菌(132℃)所需最短时间()。 A. 下排气:8min,预真空:4min,正压排气法:3min B. 下排气:10min,预真空:4min,正压排气法:3min C. 下排气:10min,预真空:3min,正压排气法:3min D. 下排气:9min,预真空:3min,正压排气法:2min 参考答案:B