摘要:上海新航道学校
2月16日的雅思考试已经落下帷幕,“战后归来”的烤鸭们,想对自己的考试成绩和结果一探究竟;“蠢蠢欲动”备战近期考试的烤鸭们,想对的考题和考情辨别水深水浅。
上海新航道“雅思梦之队”团队,时间为你点评2月16日考试,解读雅思听力、口语、阅读、写作考情。首先我们一起来看一下本次考试雅思阅读部分的内容:
(Reading)
Title:新手、熟练工和
Type of Questions:T/F/NG、Completion
【文章概要】
Passage 1
内容回顾:说一个“novice”怎么成为一个“expert”, 并且举例说明两者在看待及解决问题上的差别。还讲述对expertise掌握程度研究,从novice到journeyman然后蜕变到expert的过程。另外也提到了一些researchers和theorists, they are better in making predictions than experts.
原文回顾:Expertise research shows quite ambiguous results on the abilities of experts in judgment and decision making (JDM) classic models cannot account for. This problem becomes even more accentuated if different levels of expertise are considered. We argue that parallel constraint satisfaction models (PCS) might be a useful base to understand the processes underlying expert JDM and the hitherto existing, differentiated results from expertise research. It is outlined how expertise might influence model parameters and mental representations according to PCS. It is discussed how this differential impact of expertise on model parameters relates to empirical results showing quite different courses in the development of expertise; allowing, for example, to predict under which conditions intermediates might outperform experts. Methodological requirements for testing the proposed unifying theory under complex real-world conditions are discussed.
In support one theory, a study demonstrates that entrepreneurial experts frame decisions using an “effectual” logic (identify more potential markets, focus more on building the venture as a whole, pay less attention to predictive information, worry more about making do with resources on hand to invest only what they could afford to lose, and emphasize stitching together networks of partnerships); while novices use a “predictive frame” and tend to “go by the textbook.” We asked 27 expert entrepreneurs and 37 MBA students to think aloud continuously as they solved typical decision-making problems in creating a new venture. Transcriptions were analyzed using methods from cognitive science. Results showed that expert entrepreneurs framed problems in a dramatically different way than MBA students.
Title:鳄鱼的进化
Type of Questions:Heading、Completion、Matching
【文章概要】
Passage 2
内容回顾:详细讲述了crocodiles的生活习惯,如何控制自己的温度以及喜欢的生存环境等。包括提到鳄鱼的特点、历史以及对两组处在不同水供给环境下的生存情况对比。
Title:音乐的起源和影响
Type of Questions:Y/N/NG、Matching
【文章概要】
Passage 3
内容回顾:主要是一个的研究成果,关于音乐的起源和影响,描述音乐和语言之间的联系和关系。Blacking Mitten是其中一个重要人物。
原文回顾:
We can only guess as to how music was created in the primitive psyche of the time. What follows is pretty much my guess.
Early man most likely took some interest in the sounds around him, in some cases it meant life or death, as in the roar of a tiger, or it was pleasing to the ear, as in a bird singing away. I can imagine that after a successful hunt, the hunters would prance and growl around a fire emulating the sounds of the fierce beast they had just slain. They might even have started hitting sticks together in an attempt to emulate the sounds of their clubs thumping dully upon the head of some prey, or the hollow melon sound of a neighbor’s skull when they were fighting amongst themselves over some chunk of meat, or for the best looking mate. The former most likely, due to the fact that the latter would be a six of one half dozen of the other proposition, cosmetics having yet to be invented.
In any case, as far as the origin of music is concerned, drums were probably the first primitive music instrument if we remove the human voice from the equation.
The Encyclopedia Britannica states "Drums appear with wide geographic distribution in archaeological excavations from Neolithic times onward; one excavated in Moravia is dated at 6000 BC. Early drums consisted of a section of hollowed tree trunk covered at one end with reptile or fish skin and were struck with the hands. Later, the skin was taken from hunted game or cattle, and sticks were used. The double-headed drum came later, as did pottery drums in various shapes”. Basically “Bangin' on the bongos like a chimpanzee1” was probably our first artistic expression in the realm of music. (1 Money for Nothing—Dire Straits)
The next logical step up from percussion instruments may have been in the woodwind or string family. Imagine a primitive man fascinated by the sound of the wind blowing over some hollow reed, then recreating the effect for his fellow villagers at the next log bashing party, what a hit he would have been! Regular life of the party, such as it was.
Panpipes would have been an easy progression for the primitive mind of the time, stick a bunch of varying length reeds together and voila, let the good times roll. The move from the panpipe to the flute must have taken a much greater leap of faith for the period, yet wooden and bone flutes discovered in china have been dated as far back as 9,000 years ago, and one bone flute made from mammoth bone dates back 35,000 years and has a 4 note scale comparable to the Do, Re, Mi, Fa, scale that was so adamantly drummed into our little grade school heads.
So some concept of a musical scale existed even if the designer merely chose sounds that were pleasing to him. Still the jump from blowing over a hollow reed to blowing down a tube with graduated fingering holes was a large one.
The string section most likely started when some brave soul realized that the sinews garnered from the animals they hunted had uses beyond the traditional binding and stitching functions. From the simple, primitive musical “twang” of a string stretched on a bow as in the Brazilian “berimbau” to the myriad of complex stringed instruments in use today, from violins, to guitars, to pianos, and the many cultural variations thereof.
Pythagoras was credited with the mathematics of music as we know it today. His followers “The Pythagoreans” were all musicians as well as mathematicians. According to legend, Pythagoras discovered that musical notes could be translated into mathematical equations when passing blacksmiths at work, and thought that the sounds of their anvils being hit were harmonious and decided that the scientific law causing this to happen must be mathematical and could be applied to music. He went to the blacksmiths and discovered that the anvils were simple ratios of each other, one was half the size of the first, another was 2/3 the size, and so on. The music of the time being un-harmonious in his opinion, (probably due to instrument makers using scale pleasing to them with no regard for what others were doing). The legend also has Pythagoras studying the vibrations of a string stretched tightly between two posts, and basing his musical scale on the frequency of the vibration when the string length was changed.
When you attach a string between two posts and pull it tight, you can create sound or musical notes by plucking on the string. The vibration of the string will create a fundamental frequency, according to the length, tension and mass of the string. The string can also vibrate at multiples of its fundamental frequency. These are called harmonics.
If the dimensions of the string or wire are correct, the sound made from plucking the string will be a pleasant musical sound, if they are slightly different, the sound may not be musical and just be a sound. In most cases, the string will vibrate at the fundamental frequency or 1st harmonic. But if you pull the string harder, it can be made to vibrate with a shorter wavelength and higher frequency or the 2nd harmonic, 3rd harmonic or even higher.
Pythagoras and his school did experiments to discover the relations between musical notes. The pitch of a note being played on, say, a guitar depends on:
-The length of the string.
-The tension of the string.
-The material the string is made of.
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