1 . 请结合材料，按要求用英文写作。
Nowadays, we can see many people looking at their mobile phones in subways, restaurants, elevators, roads and so on. We call those who use their mobile phones too much phubbers/ smartphone addicts (低头族).
要求：
(1)就此材料发表你的看法;
(2)紧扣材料，有明确的观点；
(3)词数不少于60。
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2 . 来自英国的Tom，上周参加了当地某旅行社组织的旅游服务，他很不满意。所以，他想就此事给该旅行社写一封投诉信。内容包括：
1.写信目的；       2. 不满之处          3. 表达期望。
注意: 1. 词数不少于80；
2. 开头和结尾已经给出，不计入总词数。
Dear sir,

My name is Tom, who is a customer of your travel agency.

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Yours,

Tom