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【单选题】
某男，40岁，患阳痿不育多年，证属肾阳亏虚，精滑不固，治当补肾助阳，固精缩尿，宜选用的药是( )。A.
诃子
B.
金樱子
C.
莲子肉
D.
桑螵蛸
E.
肉豆蔻
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反馈参考答案：
举一反三
【单选题】The doctor tole me to take two pills _____.
A.
at one time
B.
at times
C.
at a time
D.
at time
【单选题】In which of the following activities does the teacher mainly play the Tole of a prompter?
A.
Organize the students to do activities by giving instructions.
B.
Change the pace of the class by various means.
C.
Elicit ideas from students.
【单选题】Main Functions of Computer Operating System is______.
A.
Manage the hardware and software resources of computer system to give full play to the efficiency of computer resources and provide a good operating environment for other software.
B.
Translate the program written in advanced programming language and assembly language into the target program that can be directly executed by computer hardware, and provide a good software development environment for users.
C.
E ffective ly m anage all kinds of computer files and efficient ly process computer hardware
D.
Provide users with convenient operation and use of computers
【多选题】关于慢性化脓性中耳炎，叙述正确的是（）
A.
常由金黄色葡萄球菌、铜绿假单胞菌等细菌感染引起
B.
可由急性化脓性中耳炎转化而来
C.
反复发作的慢性鼻窦炎，细菌可经咽鼓管逆行进入中耳腔
D.
鼓膜外伤穿孔后细菌经穿孔部位进入中耳腔
E.
儿童咽鼓管短、平、直，细菌更易侵入
【单选题】The doctor tole me to take the pills three_______
A.
at times
B.
at a time
C.
at one time
D.
at no time
【单选题】The costs of a Computer-Based Recording System are lower than that of a component-based Hardware System.
A.
Y
B.
N
C.
NG
【简答题】佛尔哈德法测定Ag+ 时，滴定剂是
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