单项选择题
According to the passage, London recorded its coldest day in（）years when the temperature dropped to — 90℃.
A．40 B．41 C．42 D．43
单项选择题 The purpose of the passage is to（）
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（）
单项选择题 In the passage the writer's tone is（）
