As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?（） ["Compression ratio","Fuel\/Air ratio","Compression pressure","Lube oil pressure"]
有一种酶催化反应P＋Q→R，右图中的实线表示没有酶时此反应的进程。在t1时，将催化此反应的酶加入反应混合物中。下图中的哪条线能表示此反应的真实进程（图中[P]、[Q]和[R]分别代表化合物P、Q和R的浓度）？（） ["Ⅰ","Ⅱ","Ⅲ","Ⅳ","Ⅴ"]
在WORD-2003中，编辑的文档能存为（）类型的文件。 [".ASP",".DOC",".FIC",".HTM",".RTF",".WPS"]
在WORD 2003中，文档对齐方式包括（）。 ["左对齐","分散对齐","右对齐","两端对齐","居中"]
有毒气体可分为刺激性气体和（）两种。 ["有害气体","污染气体","窒息性气体","放射性气体"]
什么是配电SCADA系统？配电SCADA的基本监控对象有哪些？
