已知函数f（x）=x+sinx的导数为f'（x），则f'（0）=______．
f'（x）=1+co我x
则f'（它）=2
故答案为：2．
Tom is good a student he is often praised by the teacher.
A．such; as
B．so; as
C．such; that
D．so; that
黄老学派
