题目

    can be judged form his facial expression that he is terribly sorry for what he          . A．That; had done                             B．It; has done C．As; has done                                D．As; did 答案：B13．一个长方体养鱼缸，从里面量长50cm，宽40cm，高30cm．（1）在鱼缸中注入40L水，水深多少厘米？（2）再倒入10L水，此时水深多少厘米？