问题详情：
单词拼写。根据英文首字母和所给汉语提示写出短文中所缺单词的正确形式。
An invention may be a new (1) p_____ or a new way of doing things.( 2)____(发明) come about in many ways. Most of the time, inventions (3)h____ because someone works to (4)(解决）______ a (5)p____ .
【回答】
uct ntions en e lem
知识点：单词拼写
题型：阅读填空
