Hi Vahi, you sort of missed the main point of the reading - I guess the title threw you off. This lecture seemed very long, so you missed a few points, but I don’t see how you could include everything in the allotted time, so I think you did pretty well.
Vahi96:
Read:
Climatic conditions
The weathering of rocks refers to a breakdown due to the exposure to atmospheric elements. Weathering is different from erosion in that in weathering, there is no movement of material. Weathering processes are generally classified into three groups: mechanical, chemical, and biological. Mechanical processes such as the freeze-thaw cycle of water can shatter rocks. A chemical process occurs when rain causes a chemical reaction with the minerals in the rock. Biological processes refer to processes that are caused by organisms. An analysis of a rock and the way it has weathered can provide the geologist with information about the processes that were or are taking place in any given area.
Listen:
chirb.it/cdtMtq
My Response:
chirb.it/Hsznxt
Transcript:
The article was about climate condition. {really it is about weathering of rocks}
The reading mentions that it is classified into three groups[, which are] that is mechanical chemical and biological.
The professor discusses the [how the] climatic condition in different region[s affects weathering] and says that in arid condition[s ] the rock cracks and during [the] night because of the frost and it expands during [the] day because of the heat. This mechanical weathering is common in such region[s ]. He also says that because of the heavy rain in tropical region[s ] the chemical processes is common and because of the high temperature the mechanical weathering in less. [Temperate climates have rainy summers and cold winters, so they include both mechanical and chemical processes] [Arctic conditions don’t allow much weathering] He also says that biological processes depends on the presence of tree[s ], plant[s ] and animal[s ] and decay of animal[s ] and there is the less biological weathering in extreme weather condition[s ].
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Hi Vahi, another good answer, you do a very good job of condensing the lecture to fit the time constraints, though I made a note of another point you could include in case you have some extra time. You did sort of miss the algae detail, but that seemed pretty minor to me.
Vahi96:
Read:
Camouflage
Animals are always in danger of being eaten by predators. They have therefore developed methods of avoiding these predators. One effective means that animals use to protect themselves is camouflage. What is meant by camouflage? Camouflage refers to the coloration or general appearance of an animal that makes it difficult to see when it is in its own environment. An animal employing camouflage blends in with its environment so that it is invisible, or it looks to its predators like an inanimate or inedible object.
Now, when we think of camouflage, we often think of animals that appear dull and colorless in order to go unnoticed. This is sometimes true, but not always. Some animals may not look camouflaged to human eyes. In fact, they are easy for us to spot, especially out of their normal environments. However, to their predators, they are quite difficult to see.
Listen:
chirb.it/2k73mc
My Response:
chirb.it/Hd72aw
Transcript:
The article was about camouflage.
The reading mentions that it is a method used by animal[s] ] in order to avoid their predator[s ].
[The] Professor gives an example of [the] sloth which is found in South America and says that [the] sloth has dull brown fur with green streaks on it which looks like a plant named algae {it actually is algae - this plant grows on the fur} and when sloth hangs from the tree and because of the brown and green colour is camouflaged. The professor also gives example of a beautiful butterfly which is found in Central{this sounded like “center”} and South America and says that this butterfly has [a ]brown colour on [the] bottom of their wing and blue colour on top of their wing {a key point is that this is such a bright blue, it seems like the butterfly would be easy to see - I don’t know if you had enough time to include this though} and when this butterfly flies[,] because it looks like flashes of sky and tree, the bird is unable to see them. [These two examples show animals use camouflage to hide from their predators]
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Hi, once again I think you communicated the general idea of the lecture, but got a secondary point a little confused. Also, if you have time for a quick concluding sentence, that would be a plus.
Vahi96:
Read:
Numeral system
There are dozens, perhaps hundreds, of known numeral systems. By numeral system, we mean a set of symbols used to represent quantities. Most numeral systems are decimal systems, also called base-1 O systems. This includes the numeral system we use, which is called the Arabic system, although it actually comes from India. One reason why base 1 0 is used is that humans have ten fingers, and we first used our fingers to count on. Another reason ¡s that decimal systems tend to be easy to use for counting and calculations. For one thing, only ten different symbols are needed to represent any whole number.
Listen:
chirb.it/n5IMh8
My Response:
chirb.it/E8MD6K
Transcript:
The article is about numeral system[s ].
The reading mentions that it is a set of symbols used to represent quantities.
The professor says that most people today use [a ]numeral system of base 10, but there are few [some] {or “a few”} people who used the numeral system for some other type. He gives [the] example of Indian people who lived in California and says that these people use numeral system base 8 because they count[ed] spaces between their fingers. The professor also gives [the] example of [the] Sumerian people who lived in the West Asia 3000 years ago and says that these people used [a ]system of base 60 [This had a big impact] because there are 60 sec in a minute and 60 minutes in hour. And [But], this numeral system is very difficult to be used for calculation. {So the lecture gives some examples of unusual numeral systems}
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Vahi96
December 5, 2015, 5:48am
24
I took my TOEFL on 28/November/2015, and received the scores on 5/December/2015.
I got 26 on the speaking section, which is more that the requirement of my dream grad school. In fact, my overall score is 101, and English requirement cannot stop me from entering any grad school.
I want to thank [color=blue]Luschen. I don’t think this would have been possible without him.
Also, I strictly followed [color=blue]Notefull’s free TOEFL course: notefull.com/content.php?pgID=414