Issue是关于scientists/researchers should focus on the areas that are beneficial to the greatest number of people.结果很不幸我居然二到把题目看错了,浪费了时间。写了个稀烂。
Argument是food distribution company用pest control companies: Buzzoff and Fly-Away的。
2 circles share the same center (-6,5), one is tangent to x axis, the other is tangent to y axis, 问what is area difference of the 2.
100个数字,每个都follows the rule: 1-1/k, k在1-100之间, 问两个range的average更大这100个数字, 1 and 这一百个数字)
tax bills of 5 families, reduct 200 dollars of the 4 lowsest family bills and keep the highest.问standard deviation 和reduct之前谁更大
6 mile route consists of 1 1mile tunnel and 2 bridges of 1/3 and 1/4 mile respectively.问一个人要是开过去probability of in neither tunnel nor bridges.
V:
关于prehistoric 'cart rut'的,说不太可能因为the early cart was in light built and was for military purpose什么的,然后说此外这个车用动物来拉和上面乘重物什么的是后来才发生的,然后说the rut也不太可能是这些车造成的,还说有人为痕迹,怀疑是为agricultural purpose之类的。
white shark和sea rotter的作用相似类比。大概就是sea rotter吃abalon, abalon吃kelp,所以increase in rotter will lead to increase in kelp level. 问effect of increase in white shark on economical fish traits.
一个P什么的地方有'great houses' 有很多很多房子,common belief是这是 for residential purpose的。但是后来W challenge了这个belief因为说考古发现只有3 upper floor hearth in contrast to xxx ground floor hearth还是什么的。