通常认为，平均皮肤温度与下列哪种温度非常接近？（）
A.胸壁温度
B.上臂温度
C.腹壁温度
D.大腿内侧温度
E.小腿温度
参考答案：D
圆心在x轴上，且与直线y=x切于（1，1）点的圆的方程为（ ）。
Bob thought he couldn’t go to the party because he had too much homework, but persuaded by his friends, he went _________.
A．above all
B．in all
C．after all
D．first of all
