学生学业成绩评价的最基本方法是（）。
A.测验法
B.观察法
C.调查法
D.学生自我评价法
参考答案：A
What made our General Secretary Hu Jintao satisfied during the journey was that the living _____ of the
farmers in the area had been improved greatly. [ ]
A. states
B. conditions
C. situations
D. positions
只用于治疗急性非淋巴细胞性白血病（）
A．6-巯基嘌呤（6-MP）
B．糖胞苷
C．左旋门冬酰胺酶
D．高三尖杉酯碱
