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【判断题】
Communicative Language Teaching focuses on forms rather than on functions.A.
正确
B.
错误
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【多选题】应用固体分散技术制备固体分散体应注意
A.
常用的载体材料有水溶性、难溶性和肠溶性载体材料
B.
宜应用于剂量小的药物
C.
液体药物在固体分散体中所占比例不宜超过10%.
D.
一般药物与载体材料的重量比通常在1：5～1：20
E.
固体分散体在储藏过程中会出现老化现象
【简答题】按分散状态分类,固体分散体可分为 、 、 三种类型。 固体分散体的载体材料有水溶性、水不溶性和 。
【简答题】固体分散体常用的载体材料主要有（）、难溶性载体材料和肠溶性载体材料三类。
【单选题】Wiladee used to work as an officemanager, earning $25,000 per year. She gave up that job to start a tailoringbusiness. In calculating the economic profit of her tailoring business, the$25,000 income t...
A.
total revenue.
B.
implicit costs.
C.
explicit costs.
D.
marginal costs.
【单选题】Nicole owns a small pottery factory. She can make 1,000 pieces of pottery per year and sell them for €100 each. It costs Nicole €20,000 for the raw materials to produce the 1,000 pieces of pottery. Sh...
A.
€80,000.
B.
€30,000.
C.
€75,000.
D.
€70,000.
【单选题】关于难溶性药物速释型固体分散体的叙述，错误的是
A.
载体材料为水溶性
B.
载体材料对药物有抑晶性
C.
载体材料提高了药物分子的再聚集性
D.
载体材料提高了药物的可湿润性
E.
载体材料保证了药物的高度分散性
【判断题】The economic profit will be less than accounting profit because it takes into account an extra cost.
A.
正确
B.
错误
【单选题】The maximum total economic profit that can be made by colluding duopolists
A.
is less than the economic profit made by a monopolist.
B.
equals the economic profit made by a monopolist.
C.
exceeds the economic profit made by a monopolist.
D.
bears no necessary relation to the economic profit made by a monopolist.
【简答题】固体分散体常用的载体材料有 、 和 。
【单选题】Suppose firms in a perfectly competitive market are earning an economic profit. As new firms enter, the price ________ and the economic profit of each existing firm ________.
A.
rises; increases
B.
rises; decreases
C.
falls; increases
D.
falls; decreases
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