【判断题】I had the breakfast and I sent the children to school.
【简答题】Words cannot ___ (make ideas known to another) how delighted I am that you'll come and spend the weekend with us.
【单选题】进行维生素B12注射液含量测定时, 稀释所用的溶剂(水)的空白吸收应( )。
【简答题】赏析:寒蝉凄切,对长亭晚,骤雨初歇。(4分)
【单选题】妊娠合并心脏病孕妇,最易发生心力衰竭的时间