托福备考--11月28 29日托福综合写作小范围机经（二）
托福备考--11月28 29日托福综合写作小范围机经（二）雅思托福英语全球网http://bbs.ieltstofelglobal.com/forum.php
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11、
讨论设置交通摄像头（traffic camera）的好坏
Reading
阅读文章的观点是认为交通摄像头不好：
1．不能像交警那样及时制止危险行为。
2. 摄像存在死角，驾驶员在没有摄像头的地方可以不安全行驶。
3．增加了14%的路口交通事故。
Listening
1．摄像头可以同时监管很多车辆，因此不会放过任何违规，而交警则可能错过一些行为。
2．交警也是设点的，而且花费更多，摄像头因为便宜就可以全面覆盖。
3．摄像头引起的事故都是轻微的，并且经过统计发现设置有摄像头的路段严重（侧面相撞）事故减少了40％。
12、
生态恢复，用一种物种替代濒危物种
Species substitute来解决物种灭绝的问题：
文章认为这个方法不靠谱
1、生态系统自己就能平衡
2、会导致物种爆发，因为是一个新环境
3、passage说这些动物危害ecosystem后不容易出去，但是lecture说这些动物都很大，很容易monitor和locate
听力认为是个好方法：
1、生态系统不能自己平衡
2、用相似的物种不太可能导致物种爆发
3、要考虑the whole population引入狮子等control
13、
Reading:asanazi部落的消失是由于严重的干旱。
The disappearance of the asanazi tribe is due to the severe drought.
There was a period of global warming and the temperature is so high that people were lack of water.
2) The tribe did not have any facilities like dams and canals to conserve water conserve.
3) People might fled to avoid the drought and left many artificials.
Listening:
Disagree. Those three theories cannot hold up this phenomenon.
1) One kind of tree near the asanazi grew well, it showed that there was enough rainfall.
2) These facilities had already existed for 50 years. And they were highly developed by the tribe so it had the capacity to conserve the large amount of water
3) Conflicts or wars can also begot this result. For example, they might fight for the food resources.
14、
Reading:理论是用来解释大脑体积减少。
The theories that was used to explain the decrease of brain size.
The first theory is the climate change. The temperature is colder, so the human body becomes smaller, and the brain size decrease
2) The second theory is the agriculture. People ate grain in the past which has less protein and vitamin, but the increase of brain size needs protein and vitamin, so the brain is small.
3) The third theory is the decrease of muscle mass. The part of the brain that control muscle activities are smaller.
Listening:
Disagree. Those three theories cannot hold up this phenomenon.
1) The temperature goes up and down for several times, but the size of brain did not increase, even a little increase.
2) Some regions develop the agriculture recently, but also experience the same change at the same time as people in the rest of the world. In some area, such as South Africa and Australia, the green agriculture did not appear until recently, but people live there experienced a decrease of brain size too.
3) The muscle mass only reduced a little, but brain size decreased a lot. The loss of this region is too small compared with the overall loss of the brain size. If it have any influence, it will not be the main contribution.
15、
Reading:三业务策略来销售产品
Three business strategies to sale products.
1) The first strategy is to produce new version of existing products.
2) The second strategy is to produce related products. For example, the company which produce the vehicles can also produce some boots.
3) The third strategy is to work with other companies and become the partnership. For example, the company of ice cream combines with the company of chocolate and produce the products of chocolate-ice cream.
Listening:
Disagree.
1) If the customers do not like the new version of products and also think the old version is outdated, they will not buy neither the new version nor the old version and eventually give up the brand.
2) If the sale point of the vehicle is its toughness, but new products like boots do not have the same quality as vehicle, it will bring the bad reputation for the company.
3) If the ice cream company also start to sale chocolate, it will become the competitor.
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