单项选择题
The writer advises that the problems between Iran and the USA might be best dealt within the UN by getting the support of（）
A．America's NATO allies in the West. B．Islamic Third World countries. C．Russia． D．Britain.
单项选择题 In the passage the writer's tone is（）
单项选择题 The writer believes the problems of chaos and noise will most probably only be solved by（）
单项选择题 In the animal kingdom the struggle for existence（）
