【多选题】以下关于著作权侵权救济程序保障的说法正确的是
C.
如果情况紧急的,法院必须在48小时内作出裁定并立刻执行
D.
申请人必须在30日内提起诉讼,否则诉前措施自动失效
【单选题】If a company has cross-industry business lines, it's stock price is determined by:
A.
the most profitable business line
B.
the overall size of all business lines
C.
the current cash generating ability of all business lines
D.
the futre cash generating ability of the most profitable business line
E.
the futre cash generating ability of all the business lines
【单选题】Tennis balls and tennis rackets are complements. If a 3 percent change in the price of a tennis racket leads to a 9 percent change in the quantity of tennis balls demanded, the cross elasticity of dem...
【单选题】设 为常数,则级数 的收敛情况为( ).