()是企业提高其竞争地位和绩效的契机。
A.威胁
B.劣势
C.优势
D.机会
参考答案：D
解析：机会是企业提高其竞争地位和绩效的契机。
________ good and sweet，this kind of apple was soon sold out in the market.
A．Tasted
B．Tasting
C．Having been tasted
D．Being tasted
通常矿石的硬度用普式硬度法表示。
