正中神经损伤后,其手部畸形常被称为()。
A.爪形手
B.猿形手
C.受贿手
D.宣誓手
E.以上都不是
参考答案:B
I would rather send my daughter to a dancing class, _______ my husband prefers her to learn piano first.
A.when
B.while
C.although
D.however
提示承兑有哪些效力