HTTP请求消息中可以不包含______。
ⅰ.开始行ⅱ.消息头ⅲ.消息体实体数据
A、仅ⅰC
暂无解析
名词解释：abilloflading
IntheU.K.,theQueen'sSilverJubileeisin_______.
Hefound_______difficulttostudymaths.
翻译：WewishtocallyourattentiontothevalidityoftheL/C,sincethereisnopossibilityofL/Cextension.
WeshallcancelthecontractifyoufailtoopentherelativeL/C____theendofthisyear.
