The first part includes three sections, one dedicated to the mastery of business vocabulary, the second to grammar and the last to reading comprehension. The second part of WiDaF is dedicated to listening comprehension. 关于豆瓣 · 在豆瓣工作 · 联系我们 · 法律声明 · 帮助中心 · 图书馆合作 · 移动应用 · 豆瓣广