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，练习记笔记技巧和复述。废话少说，下面开始：
60秒科学：Avoid Backlit Reading Before Bed
60秒科学节目（SSS）是科学美国人网站的一套广播栏目，英文名称：Scientific American – 60 Second Science,节目内容以科学报道为主，节目仅一分钟的时间，主要对当今的科学技术新发展作以简明、通俗的介绍，对于科学的发展如何影响人们的生活环境、健康状况及科学技术，提供了大量简明易懂的阐释。
When you curl up in bed, consider reading an old-fashioned printed book rather than a smartphone or tablet. Your sleep should be deeper and more restful. That’s the finding of a study in the Proceedings of the National Academy of Sciences. [Anne-Marie Chang et al, Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness]
Researchers had 12 healthy young adults read either a printed book or an iPad for four hours before bed during five consecutive evenings. During the fifth night blood samples were collected every hour via an IV during both the reading and sleeping periods. The research team assessed sleep time and REM cycles, and the subjects self-rated their sleepiness every evening and morning. All participants read for five nights on the iPad and for five from a book.
As anticipated, reading print made for better Zzzs. Participants reading the iPad took about ten minutes longer to fall asleep, secreted less sleep-inducing melatonin, and shifted their internal circadian clock. They also reported feeling more tired the next morning.
The study’s first author, Anne-Marie Chang, then of Boston’s Brigham and Women’s Hospital, says that devices like the original Kindle, that do not produce their own light, should likely still be a good choice for bedtime reading. But when it comes to those backlit gadgets, probably best to read those over your morning coffee.
—Dina Fine Maron