PTE考生目前最大的问题之一就是练习题缺乏。除了有限的基本官方书（PLUS，Testbuilder, OG）之外,就没有题了。很多英语基础不是很扎实的同学很难找到练习材料。墨尔本文波雅思PTE培训学校专门为墨尔本，悉尼PTE考生准备了适合PTE听力阅读练习的科学60秒。各位PTE同学可以练习PTE听力中的summarise spoken text和PTE口语中的retell lecture，PTE听力口语-科学60秒-Frosty Moss练习记笔记技巧和复述。废话少说，下面开始：
You post photos on social media sites for the enjoyment of your family and friends. 把照片传到社交媒体网站上，为的是能和家人、朋友共享乐趣。
But your snapshots are also a potential gold mine of information about what you spend money on for those sites and the companies that advertise on them. 但对于开那些网站的公司以及在那些网站上做广告的公司来说，你的照片是潜在的金矿，它包含了你的消费偏好等重要信息。
Artificial intelligence software is on the horizon that can spot brands like Nike or Coke even in images without text or tags. 人工智能软件将步入能够识别像耐克、可口可乐这一类商标的时代（即使商标上没有文字或标签说明）。
Google, Facebook and other deep-pocketed investors are accelerating this software’s development. 谷歌、脸谱网、以及其他财力雄厚的投资者正加速开发该软件。
Even startup photo-sharing service Pinterest got in on the action earlier this year by buying the even more “start-uppy” VisualGraph, 今年早些时候，照片共享服务网站拼趣也有所行动。它收购了更为新兴的北京图王软件公司，
whose software could be used to find and link photos with similar content. 该公司开发的软件可以找到并关联内容相似的照片。
In general the software winning these investments uses machine vision, image recognition 一般来说，那些获得投资商亲睐的软件都是使用机器视觉、图像识别、
and/or visual search algorithms to identify objects and shapes as well as textures. 或视觉搜索算法来识别图像、及其形状或质地的。
One startup called Ditto Labs makes a search engine that specifically examines digital images for logos and brands. 有家叫迪图（Ditto Labs）的创业公司开发了一个搜索引擎，该搜索引擎专门用于检测商标或品牌的数字图像。
So next time you’re chowing down in McDonald’s, smile for that selfie. 所以，下次你要是在麦当劳大吃大喝，开开心心地传自拍照时，
You’re feeding that company’s bottom line and probably helping a tech startup earn its next million. 你的举动无异于是在增加那些公司的盈利，或许还为哪家科技创业公司挣得下一个一百万做出了贡献。
On second thought, why are YOU smiling? 今后，你拍照之前可得想清楚了。
