枸杞子的适应证是（）。
A.肾虚遗精
B.肝肾不足，头目眩晕
C.肝肾阴虚，视力减退，内障目昏
D.消渴
E.肠燥便秘
参考答案：A, B, C, D
My sister is only two years old, and I have to _____ her on Sunday.
A. look for B. look after C. look like D look at
下列混合物可以用分液漏斗分离的是 [ ]
A. 溴乙烷和水
B. 乙醇和苯
C. 乙醇和水
D. 溴苯和苯
