2019年英语专业四级考试听力真题

原文在这里哦~~

本期音频包含2019年英语专四考试听写（DICTATION）和听力理解（COMPREHENSION）两部分内容。

听写原文：

Slang

We often use slang expressions when we talk, because they are so vivid and colorful. However, they are usually out of place in formal writing because of a number of drawbacks. They go out of date quickly and become tiresome if used too much. And they may communicate clearly to some readers but not to others. In general, we should avoid the use of slang in our writing.