题目

It’s rare that you see the words “shyness” and “letter” in the same sentence.After all,the common viewpoint is that those outgoing and sociable guys make great public speakers and excellent networkers and that those shy people are not.A survey conducted by USA Today referred to 65 percent of executives who believed shyness to be a barrier to leadership.Interestingly,the same article stresses that roughly 40 percent of leaders actually are quite shy—they're just better at adapting themselves to situational demands.Bill Gates,Warren Buffet and Charles Schwab are just a few innies.Unl有一只刻度均匀但不准确的温度计，把它插入冰水混合物中，温度计示数为4℃，把它插入1标准气压下的沸水中，温度计示数为94℃．若把它插入某液体中时，温度计的示数为31℃，那么该液体的实际温度是多少? (1)一变：若把它插入实际温度是20℃的液体中，温度计的示数是多少? (2)二变：当把温度计放入实际温度为多少的液体中，温度计的示数与实际温度相同?