题目

听下面一段较长对话，回答以下小题。 （1） What did the man do in the library this morning? A . He went to read books. B . He went to do his schoolwork. C . He went to do a part-time job. （2） Why is the man going to the coffee house? A . To meet his sister. B . To have some coffee. C . To study. 答案：B A要准确量取95mL液体，选用的量筒规格最好是（ ）A．10mLB．50mLC．100mLD．200mL