旅游市场机制的主要特征是（）。
A.构成要素的多样性
B.网状结构的目标多重性要素
C.链接的多变性
D.微观主体的自行调节性
参考答案：D
With his sporting ambition______ and ________ to succeed in his new life, Li Ning decided to launch a new brand of sportswear, competing with global giants like Nike and Adidas.
A. to achieve; determined
B. to be achieved; determining
C. achieved; determining
C. to be achieved; determined
怎样从有为法切入无为法呢？
