皮皮学，免费搜题
登录
搜题
【单选题】
青霉素钠《中国药典》规定的含量测定方法为A.
非水溶液滴定法
B.
法
C.
HPLC法
D.
紫外分光法
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What can we learn from the first paragraph?
A.
It is a natural tendency for people to believe that innovation is stimulated by patents.
B.
The inventors cannot reap the fruits of their patents until many years later.
C.
Individuals and organizations welcome competitions brought about by the patentees.
D.
Patenting can never be a blessing to society if it fails to benefit people at large.
【简答题】Yi people
【简答题】单词拼写。 1. In the Torch Festival, the Yi people danced in their national c_____. 2. The black people were no longer bought and sold as slaves after the slave trade was a_____. 3. The lazy guy w_____ aro...
【简答题】任务型阅读。 Many people love drinking bottled (瓶装的) water because of the convenience. They believe that it is better to drink bottled water than to drink water out of the tap. However, all those bottles ar...
【简答题】简述可用性的特点?
相关题目：