【简答题】ARP协议工作在OSI模型的哪一层()。
【单选题】--- ? --- The one on the desk.
B.
Which book do you want
D.
Whose book is on the desk
【多选题】正式场合女士穿衬衫时哪些是错误的(ABD)。
【单选题】关于皂苷性质的叙述,以下哪个是错误的( )
【单选题】In writing up the log book at the end of your watch,you make an error.which of the following is the way to correct the error? ______.
A.
Carefully and neatly erase the entry and rewrite it correctly
B.
Remove this page of the log book and rewrite all entries on a clean page
C.
Blot out the error completely and rewrite the entry correctly
D.
Cross out the error with a single line and rewrite the entry correctly
【单选题】关于皂苷性质的叙述,以下哪个是错误的( )