右图曲线表示某种物质在消化道内的消化情况,这种物质是
A.淀粉
B.蛋白质
C.脂肪
D.水
答案:A
该物质的初步消化发生在口腔,最终消化在小肠,说明是淀粉。
________,I don’t object to your marriage though your parents are strongly against it.[ ]
A.As far as I know
B.As far as I am concerned
C.As it happens
D.Sooner or later
在封装X.25协议的接口上,设置缺省的最大发送分组大小为256字节的命令是:()
A、x25ops256
B、x25dps256
C、x25ops2048
D、x25dps2048