内容正文:
4.What's the purpose of the text?
高三一轮复习40分钟单元检测卷/英语
A.To advocate the habit of washing hands
B.To call on schoolchildren to compete in a contest.
(六)必修二Unit6
C.To encourage more inventions from everyday items
驶
(考试时间40分钟,满分100分)》
D.To introduce a contest making handwashing fun for kids.
B
一、阅读理解(共8小题:每小题4分,满分32分)
A city in Denmark is about to become the first in the world to provide most of its citizens with
阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。
fresh water using only the energy created from household wastewater
A
The Marselisborg Wastewater Treatment Plant in Aarhus has undergone improvements that mean
Parents around the world often urge children to wash their hands over and over again!It can be
it can now generate more than 150 percent of the electricity needed to run the plant,which means the
difficult,however,to get children to remember to wash.But what if washing hands is connected to a
surplus can be used to pump drinking water around the city.
fun creative activity?What if instead of simply reaching for the soap,a machine could drop it right
As well as regularly powering the entire water system of 200,000 people living in the inner city
into your hands?
area,any unwanted electricity could be sold into the local grid ()
O
Well,such a machine was recently built by a boy and his sister in the US state of Maryland as
The plant generates energy from the biogas (created out of household wastewater
如
part of a creative competition.The not-for-profit Rube Goldberg Organization is holding the competi-
Carbon is removed from the wastewater and pumped into digesters kept at 38C filled with bacteria.
尔
tion.
These produce biogas-mostly methane-that is then burned to make heat and electricity.
Every year,the Rube Goldberg competition assigns a specific task,considering inventions that
Upgrading the facilities in Marselisborg required nearly 3 million,but Aarhus water expects that
use complex systems to carry out a simple everyday task.At first,the task for 2020 was supposed