9 11 请翻译:
The relative decline of American education at the elementary and high-school levels has long been a national embarrassment as well as a threat to the nation's future.
A majority of the world's climate scientists have convinced themselves, and also a lot of laymen, some of whom have political power, that the Earth's climate is changing; that the change, from humanity's point of view, is far the worse; and that the cause is human activity, in the form of excessive emissions of greenhouse gases.
A majority of the world's climate scientists have convinc ...
A majority of the world's climate scientists have convinced themselves, and also a lot of laymen, some of whom have political power, that the Earth's climate is changing; that the change, from humanity's point of view, is far the worse; and that the cause is human activity, in the form of excessive emissions of greenhouse gases.