个人自由择业是以个人的职业兴趣为前提的。
参考答案：错
—Why did you leave that position?
—I _______ a better position at IBM.
A．offer
B．offered
C．am offered
D．was offered
纯铁的熔点为（）。
A.1548℃
B.1438℃
C.1538℃
D.1638℃
