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【单选题】
文件的扩展名主要用于_______A.
区别不同的文件
B.
标识文件的类型
C.
方便浏览
D.
标识文件的属性
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举一反三
【单选题】It’s very common _____ that people ______ went to school for further education.
A.
in the 1990; in the fifty
B.
in the 1990s; in their fifties
C.
in their 1990s; in their fifties
D.
in their 1990s; in the fifty
【简答题】阅读理解。 Online shopping has become something very common for young people, however, it's not easy for the old people to buy things on the internet. Therefore, offline Daigou stores, or buy-for-you store...
【单选题】应用文的特点是( )．
A.
实用性、针对性、时效性、规范性、论说性
B.
实用性、针对性、时效性、灵活性、论说性
C.
实用性、针对性、时效性、规范性、抒情性
D.
实用性、审美性、时效性、规范性、论说性
【简答题】请简要谈谈你是如何理解应用文的时效性特征。
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