某企业从事服装销售业务，经工商登记机关取得营业执照。就税收法律关系而言，该个体户实施的行为哪项正确（）
A. 自领取营业执照之日起30日内向税务机关办理税务登记
B. 未设置账簿
C. 向税务机关预交纳税保证金
D. 从商店购买增值税专用发票
Some of the crops failed.(), the cotton did pretty well.
A. Then
Besides
C. Therefore
D. However
病证的虚实变化，主要取决于：
A. 气血的盛衰
B. 邪正的盛衰消长
C. 气机失调
D. 脏腑阴阳失调
E. 体质的强弱
I don't think Jill would be a good teacher. She's got () patience with children.
A. plenty
B. much
C. less
D. little
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