税收会计原始凭证应遵循哪几项原则。（）
A、合法
B、有效
C、真实
D、准确
参考答案：A, B, C, D
以上属于甲类传染病的是（）
A.鼠疫
B.流行性腮腺炎
C.布鲁菌病
D.水痘
E.传染性单核细胞增多症
—Is shopping here very expensive?
—Yes, the price run _______ fifty dollars. [ ]
A. so high to
B. as high to
C. so high as
D. as high as
