单项选择题
It is difficult to conceive how, even for those people well disposed to rule themselves, the attempt to achieve happiness should be rendered so______by one single curse, that of a bad form of government.（）
A．laudatory B．ineffectual C．corrupt D．disorganized E．ill-tempered
单项选择题 Current estimates put thirteen percent of global flora at risk of extinction, but this number does not include______plants from tropical regions, where the majority of the world's plants grow.（）
