熊彼特的创造性毁灭旨在解释（    ）。

(单选题)填入第二段横线部分最恰当的一项是（ ）。 (单选题)The less the surface of the ground yields to the weight of a (单选题)( ) he wanted to go out with his friends at the weekend, (单选题)( )both sides accept the agreement will a lasting peace b (单选题)It is futile to discuss the matter further, because ( ) g (单选题)The opening ceremony is a great occasion. It is essential ( (单选题)The results of the examination ( ) that you have all made (单选题)They overcame all the difficulties and completed the project (单选题)The government has promised to do ( ) lies in its power t (单选题)Stan Lee, an outstanding comic-book writer, created plenty o