金刚石钻进应尽可能创造条件，提高（），以提高钻进效率。
参考答案：转速
A．now she is the highest paid actress in Hollywood
B．it changes people’s perception of women in Hollywood
C．it helps her gain self-confidence
D．she finally gets what should be her hard work’s worth
______外面天寒地冻，______每一个人的心里都有一把火。
A．不但……而且……
B．尽管……但是……
C．虽然……却是……
D．或是……或是……
