【单选题】在使用 FTP 协议进行数据传输时,服务器端默认使用的数据通道连接端口是
【单选题】[1805第39题]:FTP协议默认使用的数据端口是()。
【简答题】Completethe following sentences with proper prepositions or adverbs. 4. He was angry ___________ being kept waiting.
【单选题】在使用FTP协议进行数据传输时,服务器端口默认使用的数据通道连接端口是()
【简答题】Completethe following sentences with proper prepositions or adverbs. 6. Dogs tend to bark ______ the strangers who are approaching the house.
【单选题】FTP协议默认使用的数据传输端口号是( )。
【简答题】Completethe following sentences with proper prepositions or adverbs. 2. Compared ___________ his early works, this is a rather successful novel.
【单选题】I wonder if he______ us, but I think if he______ us, we’ll be able to completethe task ahead of time.
C.
is helping, is helping
D.
would help, has helped
【多选题】关于胸部体表标志的描述,下列哪些正确的?