餐饮经营中的食品验收通常采用（）基本验收方法。
A、一种
B、二种
C、三种
D、四种
参考答案：B
胰岛素治疗糖尿病的过程中，胰岛素过量可出现Somogyi现象和清晨现象。()
-What did you do on May Day?
-I went shopping with my family, There________ so many people in the street. [ ]
A. was
B. are
C. were
treet. [ ]