定义数据库文本型字段的取值范围是______,默认值为______。
参考答案:0~255 50
—Six-year-olds are not allowed to ride bikes in the street.
—I agree. They are _____ to ride bikes.[ ]
A.not old enough
B.too old
C.so calm
D. quite big
某男,58岁。近2年出现入睡困难,头晕耳鸣,腰膝酸软,五心烦热,遗精盗汗,舌红,脉细数。针灸治疗除主穴外,应加取
A.丘墟、心俞、内关B.太溪、水泉、心俞、脾俞C.太白、公孙、内关、足三里D.丰隆、内庭、曲池E.心俞、脾俞、足三里