【判断题】燃油压力调节器的功能是保持输油管燃油压力与进气管内气体压力的差值恒定
【多选题】( )are the 3 traditional trade terms frequently used by traders in China.
【单选题】Window98操作系统中内置了DirectX0,关于它的描述,错误的是______。
A.
安装DirectX后,即使没有声卡也能播放音频或视频文件
C.
DirectX是一个在C++、VBasic和Delphi环境下使用的函数集
【单选题】The three irrelevant sentences in this paragraph are
【简答题】In the foreign trade business, the trade terms CIF is often used. CIF is the abbreviation for ( ).
【简答题】( )are the traditional trade terms frequently used by traders in the world.
【多选题】( ) are the traditional trade terms frequently used by traders in the world.