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【单选题】
《中国药典》2010年版一部规定，水蜜丸的溶散时限为A.
15min
B.
30min
C.
45min
D.
60min
E.
120min
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反馈参考答案：
举一反三
【单选题】当两种商品 X 和 Y 的效用函数为 U(x,y)=xy 时,下列哪一个效用函数描述了相同的偏好次序? ( )
A.
U(x,y)=(x － 5)(y －5)
B.
U(x,y)=(x/5)(y/5)
C.
U(x,y)=(x ＋ 5)(y ＋5)
D.
只有 B 和 C 正确
【单选题】The Lure of a Big City Vacation From the Tower of London to Paris' Eiffel Tower, historic landmarks and one-of-a-kind attractions have long lured travelers to the world's great cities. 'It becomes, at...
A.
Y
B.
N
C.
NG
【简答题】5岁的小强在幼儿园经常为了抢夺玩具与小朋友发生冲突,有时甚至对小朋友有拳打脚踢等攻击性行为,在幼儿园其他人都躲着他,很不受小朋友欢迎。请你分析影响儿童攻击性行为的因素
【单选题】The Tower of London, located in the centre of London, was built by______.
A.
King Harold
B.
William the Conqueror
C.
Robin Hood
D.
Oliver Cromwell
【单选题】The Tower of London dates back to 1066, at the days of William the Conqueror. Over the years the tower has been used for different purposes, which of the following is NOT the correct usage of the towe...
A.
Armory and a treasury
B.
Record Office and Prison
C.
Zoo
D.
Bank
【单选题】热敏电阻测温的基础是根据它们的 ( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
伏安特性
B.
热电特性
C.
标称电阻值
D.
测量功率
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