在决策流程中,附件材料上传文件大小最好在()之内,过大文件应分割制作或进行压缩优化处理。
A、1M
B、2M
C、3M
D、4M
参考答案:B
下列有关物质的化学式、名称、俗名不完全对应 的是( )
A.NaOH、氢氧化钠、烧碱
B.CaO、氢氧化钙、生石灰
C.Na2CO3、碳酸钠、纯碱
D.NaCl、氯化钠、食盐
He speaks English well indeed, but of course not __________ a native speaker.
A as fluent as B more fluent than C so fluently as D much fluently than