问题
单项选择题
药物制成粉针剂的主要目的
A．减少成本
B．增加药物稳定性
C．提高药物纯度
D．增加药物生物利用度
E．病人易于接受
答案
参考答案：B
解析：在水中不稳定的药物不能制成水溶液注射液，也不能在溶液中加入灭菌，制成粉针剂可增加药物的稳定性，在临用前加注射用水溶解后注射。
搜题请搜索小程序“爱下问搜题”
药物制成粉针剂的主要目的
A．减少成本
B．增加药物稳定性
C．提高药物纯度
D．增加药物生物利用度
E．病人易于接受
参考答案：B
解析：在水中不稳定的药物不能制成水溶液注射液，也不能在溶液中加入灭菌，制成粉针剂可增加药物的稳定性，在临用前加注射用水溶解后注射。
Water costs money．In some places water is hard 1 ．What 2 when a town has these problems？A small town in California found a happy 3． Very little rain ever fell there．The town had no water of its own．The water it used was 4 from a river 300 miles away．As more people 5 live in the town， 6 water was needed．Now water 7 to be brought in from 600 miles away．All these cost 8 money． The town 9 a plan．It found a way to clean its “dirty” water．Once the cleaned water was reused 10 many ways．Five man-made lakes were built．Here people could swim and fish and go 11 ．They could have picnics in their new parks．Farmers had more water 12 their crops．New factories can be built，now that they have the promise of 13 ． In most places，water is used and thrown 14 ．The town that saved 15 water has saved the town！
小题3:A．key B．answer C answering D．way
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