皮皮学，免费搜题
登录
搜题
【单选题】
According to the author, Mackintosh decided to enter the competition because ______.A.
not many drawings had to be submitted
B.
no designs were required for furniture
C.
there was no need to worry about cost
D.
he had designed similar buildings before
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】在异常处理中,若 try中的代码可能产生多种异常则可以对应多个catch语句,若catch中的参数类型有父类子类关系,此时应该将父类放在子类 。
相关题目：