分析下述算法功能 Status A(BiThrTree T,Status(*Visit)(TglemType e)){ p—T一>lchild; while(p!一T){ while(p一>LTag==Link)p=p->lChild; if(!Visit(p-->data))return ERRoR; while(p一>RTag一=Thread&&p->rchild!=T){ p=p->rchild; Visit(p-->data); } p=p->rchild; } return OK; }
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中药黄芩中的主要有效成分
A. 是黄芩苷
B. 有抗菌作用
C. 是黄酮醇类化合物
D. 能与醋酸铅生成红色沉淀
E. 易水解氧化使药材外观变绿
The United States has many different 1 of climates. 2 the west coast the temperature changes very little 3 summer and winter, but the north central states have a very different kind of climate. In those places people 4 light clothing during the summer and they need to have wool or fur clothing in winter. In the southwest the climate is pleasantly warm during the winter, 5 the summer is unpleasantly hot. In the eastern part of the United States summer temperatures are very different 6 winter temperatures. Summers are usually hot, but winters are usually cold. Spring temperatures are pleasantly cool. Years ago, people in the cold part of the United States 7 often get fresh vegetables and fresh fruits during the winter. Today, 8 , trucks and trains carry fruits and vegetables very quickly to all parts of the United States. In this 9 , Americans "send their climates" to people in 10 states.
A. both
B. among
C. between
企业所有者作为投资人,关心其资本的保值和增值状况,因此较为重视企业的______。
A. 盈利能力指标
B. 偿债能力指标
C. 发展能力指标
D. 营运能力指标
A.格列吡嗪 B.氯磺丙脲 C.阿卡波糖 D.苯乙双胍 E.罗格列酮 在强心苷的化学结构中含羟基最少的药物是 。
A. 地高辛
B. 洋地黄毒苷
C. 毛花苷C
D. 毒毛花苷K
E. 以上都不是