属于家族遗传性疾病的结石是
A．磷酸盐结石B．草酸盐结石C．碳酸盐结石D．尿酸结石E．胱氨酸结石
参考答案：E
Tom rushed into the house______ his mother was cooking.
A．as
B．before
C．while
D．after
义务教育
