GWD8-Q21

m8888302

GWD-8-Q21:GWD-2-18
Last year all refuse collected by Shelbyville city services was incinerated.  Thisincineration generated a large quantity of residue ash.  In order to reduce the amountof residue ash Shelbyville generates this year to half of last year’s total, the city hasrevamped its collection program.  This year city services will separate for recyclingenough refuse to reduce the number of truckloads of refuse to be incinerated to halfof last year’s number.  



Which of the following is required for the revamped collection program to achieve its aim?



A. This year, no materials that city services could separate for recycling will be incinerated.

B. Separating recyclable materials from materials to be incinerated will cost Shelbyvilleless than half what it cost last year to dispose of the residue ash.

C. Refuse collected by city services will contain a larger proportion of recyclablematerials this year than it did last year.

D. The refuse incinerated this year will generate no more residue ash per truckloadincinerated than did the refuse incinerated last year.

E. The total quantity of refuse collected by Shelbyville city services this year will beno greater than that collected last year.[D]

答案D，感觉答案就是大白话啊，今年的排放量少于去年，完全等于aim
不确定是否这样想，又没搜到以前的。。