单项选择题
It has been said that the Acts provided a new course of action and did not merely regulate or enlarge an old one.（）
A．limit B．control C．replace D．offset
单项选择题 However bad the situation is, the majority is unwilling to risk change.（）
单项选择题 A red flag was placed there as a token of danger.（）
单项选择题 The fuel tanks had a capacity of 140 liters.（）
