1. After multiple cases of the Samsung Galaxy Note 7 catching on fire, the company is rolling out software on December 19 making any note 7 unusable.

断句：
1）节奏
2）意群
After multiple cases of the Samsung Galaxy Note 7 catching on fire,／ the company is rolling out software on December 19／ making any note 7 unusable.

第一：时间状语After multiple cases of the Samsung Galaxy Note 7 catching on fire
第二：句子主句the company is rolling out software on December 19
第三：分词状语making any note 7 unusable

搭配：
1）catch on fire 着火
例句：How did your house catch on fire?你家房子怎么着火啦？
例句：Do not leave the candles on or your rooms will catch on fire. 别让蜡烛那么着着，会把你家点着的。

2）roll out – to offer a new product or service to the public 发布新产品
例句：The provider plans to roll out its new Internet access service next month.

备注： roll out 还可以表示to leave.
例句：This looks bad. Let’s roll out.这个看起来不行，我们走吧。


2. In a statement, Samsung said, To further increase participation, a software update will be released starting on December 19that will prevent U.S. Galaxy Note 7 devices from charging and will eliminate their ability to work as mobile devices.

断句：
In a statement, Samsung said, /To further increase participation, a software update will be released starting on December 19/that will prevent U.S. Galaxy Note 7 devices from charging /and will eliminate their ability to work as mobile devices.
1) in a statement 中in a 的连读，以及冠词a的两种读法
2) software 的发音小特点
3)语法分析：In a statement, Samsung said, (宾语从句)/To further increase participation, a software update will be released starting on December 19/（定语从句）that will prevent U.S. Galaxy Note 7 devices from charging /（并列句）and will eliminate their ability to work as mobile devices.


词与搭配：
1) participate /pɑːrˈtɪs.ə.peɪt/ v.参加
2) chargev.充电; charger 充电器；
扩展：in charge 负责
例句：Who’s in charge here? 这谁负责？
3) eliminate /iˈlɪm.ə.neɪt/ v. 排除


3. Samsung says While more than 93 percent of Galaxy Note 7 phones have been returned, butthe remaining 7 percent still have a serious fire risk.

断句：
Samsung says While more than 93 percent of Galaxy Note 7 phones have been returned, 断句／butthe remaining 7 percent still have a serious fire risk.

1) have been 中been的发音
2) the remaining 剩余的….