利用设计模式可以方便地重用成功的设计和结构。
参考答案：对
垂体前方为（）
A.蝶窦
B.海绵窦
C.鞍背
D.桥脑
E.额叶
When Alice saw a ______ tiger in front of her, she felt that she was ______.
A．dangerous; in danger
B．in danger; dangerous
C．dangerous; dangerous
D．in danger; in danger
