Illustrator中的画笔库中的画笔默认画笔格式扩展名为（）。
A.abr
B.ai
C.eps
D.cdr
参考答案：B
The elder brother ________ his mother, while the younger one is _________his father.
A．looks after; look like
B．takes after; similar to
C．looks like; take after
D．looks the same; similar with
含毒性中药处方留存
A．半年B．1年C．2年D．3年E．5年
