临床化验室常用的血糖测定方法是（）
A.Folin-Wu法
B.邻甲苯胺法
C.己糖激酶法和葡萄糖氧化酶法
D.班氏法
E.碘量法
参考答案：C
-------I called you at half past nine this morning, but there was no answer.
------Oh, sorry. I _____ with my cousin in the supermarket.
A．shopping
B．was shopping
C．shopped
D．will shop
试述杠杆租赁的当事人
