2024年4月28日发(作者：)

树人中学2020学年第一学期高三英语练习（23）

班级：高三全段 编制人：李小琴 份数：320 日期：2021. 2.2

姓名：_____________ 班级：_____________ 总分：____________

第二部分：阅读理解(共两节，满分35分)第一节(共10小题；每小题2.5分，满分25分)

阅读下列短文，从每题所给的 A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂

黑。

A

In my everyday life, I am on an ongoing journey to figure out different ways to reduce my

carbon footprint on the planet. A carbon footprint is the measure of influence our activities

have on the environment, in particular climate change. It is calculated by the amount of

greenhouse gas we produce in our daily lives. Fortunately, nowadays it is much easier to make

eco-friendly lifestyle choices than, let’s say, 20 years ago. But one question has been on my

mind a lot lately: is it better to buy new eco-friendly products or used traditionally produced

goods?

After doing some research, I have decided that some things are better new and others are

better used. Let me try to explain.

A carbon footprint is made up of two parts, the primary footprint and the secondary

footprint. The primary footprint is a measure of our direct emissions (排放) of carbon dioxide

(CO2) from the burning of fuels, including household energy consumption and transportation.

The secondary footprint is a measure of the indirect CO2 emissions from the whole lifecycle

of products we use — those related to their production and breakdown.

Based on this understanding, we have a good deal of control and responsibility over our

carbon footprint. Things like dishes, clothes and furniture fall into the “secondary footprint”

group, so less is more and we can focus on finding used goods to avoid the added production.

However, for the car and the other appliances (设备) that we need we can go with new, energy-

saving models. I heard somewhere that electronics and appliances give off 90% of their carbon

footprint after they leave the factory. So it seems most reasonable to go for the energy-saving

models. The main concern here is the amount of energy that goes into the making of new

products and whether or not that extra carbon is worth the footprint the product will make

once it gets to you.

is the text mainly about?

A. What appliances to buy to save energy.

B. What a carbon footprint means in our life.

C. How to identify different carbon footprints.

D. How to make eco-friendly lifestyle choices.

do we know about the secondary carbon footprint?