题目

Chance favors only the prepared mind.That is telling us to be prepared until the opportunity presents ______ . A．one                                                          B．itself C．you                                                          D．this 答案：B 【解析】 考查代词。句意：机会仅偏爱有准备的头脑。这告诉我们好好准备，直到机会出现。反身代词可以作主语的同位语，增强语气。故选B。在0时到12时之间，钟面上的时针与分针成60度角共有2222次．