通用水泥的库存时间一般不准超过（）。
A．一个月
B．二个月
C．三个月
D．四个月
参考答案：C
Choose and write．（选择正确的单词填空。）
1. My legs are __________________ (short, shorter) than my father's.
2. My father's legs are__________________(long, longer),but my legs are short.
3. My mother is__________________(tall, taller) than Lucy.
4. My father is__________________(tall, taller). Her father is short.
熟地黄散2功效与作用
