Resources are a fundamental _______ in the development of tourism.A、comparisonB、composi

People have realized that resources are wasted if goods_________.A．are not of lasting valu

______are Intemet addresses used by Web browsers to locate Intemet resources．A．HttpB．FtpC．

We need to make sure that we______our resources as fully as possible for they are exhausti

Open educational resources are expected to______.A．bring down the cost of textbooksB．repla

_______[A] fundamental [B] comprehensive [C] equivalent [D] hostile

According to the passage resources like wind are_