【判断题】汉字笔画的组合有两种方式,即相离和相交。
【判断题】北京的北海公园始建于唐代、是我国现存历史悠久而规模宏大的皇家花园。
【单选题】The course is very popular and the quotas are limited, so it's best to ______ as soon as possible.
【多选题】女性,34岁,从马背上跌下,局部腹壁瘀斑,阵发性腹痛,住院期间若需手术探查,下列哪项指征属正确
【单选题】--The room is so dirty.____ we clean it? ---Of course.
【单选题】This course aims to give a ()introduction to the word roots. A good commandof so manyroots will help students learn words more efficiently.