题目内容：

第四节:听短文三遍, 根据所听内容在表格里的横线处填入适当的单词, 每处限填一词。

What	Smartphones (智能手机）
Example 1	A mother is looking at her smartphone while her little son is in 1. in the river.
Example 2	At a family party, the2.as well as their parents have their eyes fixed(注视)on smartphone screens, leaving their grandparents alone.
Bad results of overusing(过 度使用）them	3.no attention to others' safety.
Do harm to the relationships between you and 4. fiends and family.
The right way of using them	Use them5.and focus more on the people around.