A variety of a language used recognizably in a specific region or by a specific social class is called__________.

未分类题_________means reading quickly to get the gist， i.e. the main idea of the text.

未分类题请阅读短文，完成第题。

单项选择题用裸露爆破法破碎大块，个别飞石对人员的最小安全距离是( )。

未分类题A University of California advisor said__________. 查看材料

未分类题What type of approach does the student apply to listening according to what he describes? __________'When I listen to English tapes， I am always worried about my limited vocabulary. I tend to figure out its actual meaning when coming across an unknown word， so that stop makes me miss the next part of the speech.'