句子填空（共5分）
【小题1】It’s very convenient to get in touch with typing short messages. for the purpose of taking immediate action their families and friends by using mobile phones.
【小题2】Some of them even waste precious time in class as much as possible .
【小题3】With the global warming getting worse, more people choose to live a low carbon life reducing greenhouse gases.
【小题4】Only by , will we have fewer disasters and a safer earth. Let’s work together and fight for a better future.
【小题5】Wash your clothes by hand instead of using washing machines.
网友回答
解析：
【小题1】固定词组：取得联系；
【小题2】Waste some time doing sth浪费时间做某事；这里是指浪费时间发短信。
【小题3】固定词组：带着…的目的。
【小题4】采取行动。
【小题5】固定词组：尽可能的。