花牙子
参考答案：
位于楣子下部，代替雀替的透空构件。
----What would you like, tea or coffee?
----________
A．A cup of tea, please.
B．It’s so delicious. Thank you.
C．Help yourself to some fish.
D．Yes, please. Thank you.
引起含氰甙植物中毒的常见食物有（）。
A.变质银耳
B.鲜黄花菜
C.马铃薯
D.花生仁
E.苦杏仁
