血清中含量最高的Ig是
A.gM B.gE C.gD D.gA E.gG
参考答案:E
________ into English,the sentence was found to have an entirely different word order.[ ]
A.Translating
B.Translated
C.To translate
D.Having translated
为避免误删除某个文件,可在文件属性中选“只读”或()属性,以便删除时附加一个确认.
A.存档
B.隐藏
C.系统
D.其它