【单选题】以下关于公共语言运行时(CLR)的说法不正确的是( )
B.
公共语言运行时是执行代码时的代理,提供了内存管理、线程管理等服务。
D.
以公共语言运行时为目标的代码称为非托管代码。
【判断题】Fracking has proven to have minimal environmental effects, so the environmental costs of fracking are insignificant.
【单选题】听力原文: Hong Kong's unemployment rate has remained stable at 6.3% in the past three months, as business conditions have improved in the last month. Figures indicated that from March to May this year the...
【多选题】已知输入为中频小信号,画直流通路时( )