托福机经不只是真题的汇总，更像是一份备考资料。而每一次百利机经的命中，小编觉得都是一种幸运，和出国留学网小编一起来看看2018年1月13日托福考试口语机经预测。
2018年1月13日托福考试口语考前冲刺—TASK1(部分展示)：
1、考题出现时间：2015-11-15CN
题目： Which one of the following do you think the university should reward?
1)Volunteer service
2)Athletic achievement
3)Academic performance
2、考题出现时间：2016-1-9CN
题目： College students should be allowed to keep pets in their dormitories. What do you think about this? Include specific reasons and details in your explanation.
3、考题出现时间：2015-5-9CN
题目： Some universities do not allow students to keep television in their dormitory rooms on campus. What are the advantages and disadvantages of this policy?
2018年1月13日托福考试口语考前冲刺—TASK2(部分展示)：
1、考题出现时间：2014-3-23CN
题目： Do you prefer to be a leading or supporting member in a group project?
2、考题出现时间：2012-5-12CN
题目： Students working harder than before will result in some beneficial influences than before. What's your opinion? Use specific reasons and examples to support your answer.
3、考题出现时间：2014-12-13CN B套
题目：Some people like to share their thoughts through publications like newspapers and blogs; others prefer to only share them with friends. Which one do you prefer?
2018年1月13日托福考试口语考前冲刺—TASK3-6(部分展示)：
1、考题出现时间：2015-5-30CN
阅读：Appeasement开头的一种动物的behavior。为了avoid stronger animal会做出—些行为或者放出一些信号以示弱。
听力：教授举了wolf为例子，当狼群为了食物争夺的时候，小的狼会低下自己的头以避免伤害。这时候大的狼会不去伤者它们。
2、考题出现时间：2015-9-13CN
Recruitment
Reading: Release signals to inform other insects to cool and cooperate.
Listening: There is a type of ant called the fire ant living in South America that live in nests. Some ants have a special job: They have to leave the nests to find food. When one ant finds a piece of fruit that is too big or it to carry back, it will walk back while at the same time releasing a chemical, which will form a chemical trail on the way. When it arrives, other ants could follow the trail and find the fruit and then carry it back together.
3、考题出现时间：2016-3-26CN
Reading: 讲了生态学中的cyclic population change，说在一个生态系统(ecosystem)中，生物之间的数量( population)是互相影响的， 捕食者( predator)和被捕食者(prey)的数量有一个均衡点。
Listening: 教授举了一个例子来说明：讲一种mice和它的predator(可能是某种wolf)之间互相影响。分三个阶段：
(l)prey (mice)多，predator食物充足，population增加。
(2)prey少了，predator食物减少了，population减少。
(3)predator少了，prey又开始多起来了，如此循环，population平衡。教授说实际上第三阶段就是第一阶段，因为是cyclic，不断重复这三个阶段。
问题：结合对话和阅读材料说说population cycle change的定义和例子。
以上是2018年1月13日托福考试口语机经预测的部分内容。
