2017年9月17日托福考试答案解析
托福考试已成为备受关注的英语语言测试，想要出国留学都必须通过托福考试。在刚刚过去的9月17日托福考试中，同学们考得怎么样呢?下面就是学习啦小编给大家整理的2017年9月17日托福考试答案解析，希望对你有用!
2017年9月17日托福口语真题解析
Task 1
【特征】What qualities are most needed in a small company?outgoing and friendly，well organized or creative
Task 2
【生活方式】In order to encourage healthy eating, schools increase prices for junk food and offer more fruits and vegetables. What do you think about it?
Task 3
标题
“老师改成了在网上和学生答疑的方式”【阅读】老师改成了在网上和学生答疑的方式，学生需要提前预约。
【听力】男生同意。
他住在校外，这样不用专门去学校;
平时老师那里人很多要排队，提前预约可以保证能和老师交流上。
Task4
标题
“动物会根据季节变化采取应对措施”动物会根据季节变化采取应对措施。
【举例】某种美洲的蝴蝶是colored，黄色之类的可以反光降温。秋天温度降低，蝴蝶不能太冷否则会飞不动，它们的翅膀会变深色吸收光，以保持身体温暖。
Task5
标题
男生这学期要上一个文学课
男生这学期要上一个文学课，他的课表安排中早上那个空闲时间的课程太难，他担心花太多时间在上面，对他其他科目的成绩不好。晚上又个简单的课，但他在咖啡馆兼职，他不想损失他的外块以及在咖啡店交到的好朋友。
Task6
标题
考古新科技考古新科技
1.节省时间：一个考古队用了20年才勘探一小部分，用这个科技一周就几乎把剩下的都勘探完了;
2.更加精细，用了这个科技勘测出许多之前考古队没勘测到的地下遗迹。
下面一起来回顾一下2017年托福口语考试真题及高频考点有哪些。
Task 1
【事件】
Your university has acquired a piece of land next to the campus. There have been three options for the use of the land. Which do you prefer?why?
1 the athletic facilities and stadiums .
2 a park with nature trails
3 centers for students and hotel for campus guests
关键词：
acquire 获得，取得
Task 2
【学习】
Some universities except the students to choose a major field of study when they enter the school; while other universities wait until the second or the third year before students deciding to choose a a major field of study. Which do you prefer? Why or why not?
关键词：
major field 专业方向;
这是道老题，原题是2015年12月13日的题。在学习类的话题中，关于学生学业相关的问题有很多，类似这种的也不在少数。这道题的解题思路有两个，选择第一学期刚入学的时候选择专业，有利于学生早早明确目标，集中学生的经历;选择第二或第三学期选择专业，则是要学生慎重选择，有利于学生的良好发展。
Task 1
【特征】 Which of the following creative activities do you feel like to get involved in?:
1)Pottery making 2)writing 3)art creation
Choose one and explain why
Task 2
【生活方式】 Some people believe that we should not discuss about the private activities of the popular people, like movie stars and singers. Do you agree? Why?
Task 3
标题
“express waiting line in the dinning hall” 阅读
原因1：可以为那些很着急的学生(in rush hour)省时间
原因2：可以有外带食物，不必在食堂吃
听力
态度：反对
原因1：那些很着急的学生确实可以利用这个特点来节省大量的时间
原因2：每次女生和他们团队在讨论问题之后会在食堂吃饭，但是那里环境太吵了，不适合学习，如果可以外带就会去一个更喜欢的地方去吃饭。
Task 4
标题
“upcycling” 阅读
定义：把废物做成更有价值的产品(turn waste into product with higher value)
听力
例子：luis,他的朋友，把他们工厂的(rapper)和plastic bags融化掉制作出来一种新的材质，制作出了更加漂亮有创意的包。这个包会很受欢迎，首先是因为变废为宝，节省了成本又提供了价值;并且“变废为宝”的这个主题很受顾客欢迎。
2017年9月17日托福阅读真题解析
1.14世纪欧洲经济的衰退：
Economic Decline in Europe During the Fourteenth Century重复2017.03.11，2015.11.08，2014.11.23，2014.04.27
有几个理由:与东方经济交往的切断、种植手段欠缺食物短缺、天气影响收成等。
2.水的温度分层造成的影响
Thermal Stratification重复2015.05.30
3.Attempts at Determining Earth’s Age：
重复2015.08.22，2014-03-01，2014-09-21
4.美国高速公路:
The United States Interstate Highway System重复2017.05.13，2017.03.04，2016.09.25和2016.06.04
说的是一个美国山区的特殊道路,先前一些学家认为是交通道路。后来一个学者说,这些道路是一些特殊 ritual spirit的体现,因为很多道路都是断头路,并不能通到哪去。
5.温室效应:
温室效应不仅变热,还让海水酸化。这个酸化会给海洋生物带来很多影响。都是负面的。例如会融化贝壳的外壳。然后越冷的2009水溶的酸越多,一种现象会加剧酸化。
6.宇宙形成的两种学说:
The Controversy over the Cosmic Hypothesis重复2016.11.12(本年度新题)大爆炸学说和恒定学说。一种说宇宙是爆炸形成的,一种说宇宙整体的组成是恒定不变的。
7.自然选择
Constraints on Natural Selection重复2016.09.03，2014.06.15
8.地下水
Underground Water重复2017.04.23(本年度新题)
9.北美早期农业发展
Farming New England in Colonial Times重复2017.07.15下午场，2016.03.13和2015.08.30
10.Forms of Locomotion重复2017.03.04，2014.12.06和2013.09.14
11.18世纪欧洲饮食的变化(新题)
12.阅读加试：恐龙灭绝
13.加试新题，蜥蜴如何改变肤色和行为来控制体温，或是生物钟biological rhythms
14.加试新题，某种蛇的生态入侵，或冰川撤退大陆架显露对海岸地区造成的影响，或温室效应带来的影响(如海水变热，融化贝壳等)与动物的体温管理二选一
2017年9月17日托福写作真题解析
Writing 1综合
Nacza Lines为什么形成的三种理论：
1.用来记录星象变化，因为有些图案像天上的星星。
但教授反驳还有无数的图案根本不能match到天上的星星，而且仅有的那些像的图案也只是巧合而已。
2. 一种表达文化的艺术形式，因为很壮观。
教授反驳说在高处看确实很壮观，但在平地看就not visible，根本不能识别，所以不可能是人为创作的艺术作品。
3. 是人们赛跑的轨道，因为有很多人的足迹。
教授反驳说这些足迹很复杂，还包含了动物的脚印，很难定位，而且不一定是用来赛跑的，可能是人们进行宗教仪式时留下来的。
如下是阅读听力原文
2016.6.25
综合写作
The straight lines and the central shape with straight line are “Nazca Lines”
The term “Nazca Lines” refer to a series of images created in the desert of Peru about 2,000 years ago. These images, many depicting geometric shapes, are extremely large with some covering several kilometers. Although researchers know how the Nazca Lines were created--the top layer of dark rocks were removed from the desert floor, exposing the lighter soil underneath--they remain uncertain why they were created. Several theories have been suggested to account for the presence of these lines.
One theory is that the Nazca Lines were used as an astronomical calendar for tracking events such as the winter solstice (the day with shortest number of daylight hours) that were important to agricultural peoples. This theory was supported by the discovery of an astronomical link between some of the images and various planets and stars. It was pointed out, for example, that on the day of the winter solstice, the Sun sets almost directly over a single long line drawn in the desert.
Another theory is that the Nazca images were created as a monumental art form expressing the Nazca people’s cultural and social importance in the region. Many ancient peoples built large monuments and artworks to demonstrate their power and celebrate their achievements. The Egyptians built massive pyramids, for example, and Easter Islanders curved massive human heads out of stone. It seems reasonable, therefore, to think that the Nazca images were built for similar reasons--to impress others.
A third theory focuses on the fact that there is evidence that people traveled by foot along the line. This has led to the speculation that the Nazca Lines represented sites of footraces in which individuals or groups of individuals competed for athletic victory. In this view, the Nazca images are ancient racetracks.
Listening
The three theories that you read give some very creative explanations for the Nazca Lines. But none holds up well unto the examination.
First, about the Nazca Lines as indicators of astronomic events. What the reading didn’t mention is that the vast majority of Nazca images don’t match up with anything observable in the sky. And for the few images they do, well, you know, there are hundreds of Nazca images and countless objects in the sky. Given these numbers, of course, a few line up. That would happen just by chance.
Second, the Nazca images as art. Well, it is certainly true that Nazca images are large, but they are impressive really only when seen from overhead, like in an airplane. When you’re simply standing on the ground next to one of these images, it is not impressive at all. The landscape is too flat and the images are too large to allow people on the ground to recognize them. This is very different from the pyramids and the Easter Island stones. They are not just large, they are tall. It is their great height them makes them visible and impressive.
Third, the idea that people were using the lines as racing tracks. Some of the images are in the shape of animals. There is a monkey, a hummingbird, a spider and so on. And these images are too complex to make good locations for foot race. Ok, so what could count for the evidence that foot traveled along the line? We can’t be sure of course, but we know that other prehistoric peoples in the region had religious rituals that involved walking along especially created pathways. It could be that Nazca line played a role in religious rituals or ceremonies that involved walking along the line.
Writing 2
2017年9月17日独立作文：
A lot of high school students now cheat in homework assignments, by asking other students for answers. Which of the following do you think is the most efficient way to stop?
-asking parents to help stop the students from cheating
-penalty or punishment to the students
-asking teacher to create homework assignment that cannot be easily cheated
今天的独立写作是久违了的三选一题目，ETS出的题目越来越接地气，考察防止高中生作弊哪种方法最有效。这种题型的思路是选择一个支持的说明理由，并解释为什么不支持其他两个选项。
这道题假如选择第三个，我们可以找到理由是老师可以布置开放性的家庭作业，学生可以去图书馆查阅资料，整理形成presentation或者写paper，这样学生就不太容易作弊。
第一个选项--父母帮助孩子防止作弊—可能作用不太大，是因为有些家长本身受教育程度不高没法进行有效的指导;甚至有的父母会为了孩子在学业中拿到比较高的成绩会帮助孩子做作业，这就起不到防止作弊的效果。
第二个选项—处罚—也起不到作用是因为处罚过轻起不到震慑作用，处罚过重比如开除学籍可能会给学生带来严重影响，甚至心理素质不好的学生会跳楼自杀等等。
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