现定义一种新运算：a*b=ab+a-b，则（-2）*（-5）=______．
（-2）*（-5）=（-2）×（-5）+（-2）-（-5）=10-2+5=13．
My favorite film star is Jack Cheng, performances always make people laugh.
A．whose
B．as
C．which
D．why
“屈肘位截瘫”损伤的节段可能为（）
A.C3
B.C4
C.C5
D.C6
E.C7
