铺作
参考答案：
斗拱的出跳，1跳＝4铺作.
The tour guide has made the route for the school trip. We don’t need to __ that.
A. be worried about B. be afraid of C. be sorry for
不宜与砒石同用的药物是（）
A．硼砂
B．雄黄
C．轻粉
D．水银
E．朴硝
