【单选题】Under which of the following conditions would the interdiction of illegal drugs result in a decrease in the quantity of drugs sold and in a decrease in total spending on illegal drugs by drug users?
A.
The interdiction has the effect of shifting the demand curve for illegal drugs to the right.
B.
The price elasticity of demand for illegal drugs is 1.3.
C.
The price elasticity of supply for illegal drugs is 0.8.
D.
As a result of the interdiction, the price of illegal drugs increases by 20 percent and the quantity of illegal drugs sold decreases by 16 percent.
【单选题】“玉兔”号月球车用 Pu作为热源材料。下列关于 Pu的说法正确的是
【简答题】What does illegal contract mean?
【简答题】The consequences of illegal excavation are______.
【判断题】藏品的研究体现了博物馆作为科学研究机构的性质,其成果成为博物馆各项活动的知识和学术支撑。
【判断题】藏品的研究体现了博物馆作为科学研究机构的性质,其成果成为博物馆各项活动的知识和学术支撑。
【单选题】目前微机配置的光盘驱动器大多数是 DVD ,与之对应的光盘存储容量可以达到( )
【单选题】It is not illegal to use them ______ they are a prescription drug; it is only illegal to transfer them to somebody else.
【简答题】photoshop中,默认保存的文件格式是