基金管理公司从事多客户特定客户资产管理业务时,单一多个客户特定资产管理计划的委托人人数不得超过( )人。
A.100 B.200 C.300 D.500
参考答案:B
现在用青霉素治疗一些传染病比30年前闻效降低了,其原因是( )
A.环境污染严重
B.青霉素的产生方式与以前不同
C.现在人体普遍健康
D.病原体产生抗药性的变异
A nurse instructs a prenatal class about the importance of doing Kegel exercises frequently. Kegel exercises help to ().
A.promote better breathing by strengthening the diaphragm muscle.
B.maintain good perineal muscle tone by tightening the pubococcygeus muscle.
C.minimize leg cramps by strengthening the calf muscles.
D.prepare the mother for pushing by strengthening the abdominal muscles.