下列哪一种感觉属于外部感觉( )
A.运动觉
B.肤觉
C.平衡觉
D.内脏觉
参考答案:B
He risked _____ his job to see me off.
A.losing
B.to lose
C.being lost
D.lost
简述中法双方利益的需要。