-
Unit 1 Living Green
Key to
Exercises
Opener
Suggested
answers for reference
1. There are a
lot of simple things we can do to decrease energy
consumption.
Hereare just a
fewexamples:
Use energy efficient light
bulbs for our most-used lights.
When we
leave a room, turn off the light.
Turn
off our computer/laptop when we are not using it.
Save
water.
Take
quicker
showers.
When
brushing
teeth
we
should
not
leave faucet running.
Use reusable cloth shopping bags that
are made from plant fibers.
Whenever
possible, walk, bike, carpool, or use public
transportation.
2. Old clothes and
books: Other people can reuse our unwanted clothes
and
books if we donate them.
Old clothes can also be made into other
items such as cushion covers.
Old
electrical
equipment:
Donate
old
electrical
equipment
to
schools
or
community centers so thatothers can
reuse them.
Rechargeable
batteries:
Unlike
regular
batteries
that
create
unnecessary
waste,
rechargeable batteriescan be reused many times
before they need to
be thrown away.
Jars and pots: By cleaning glass jars
and small pots, we can use them as
small containers to storeodds and
ends
（零星物品）
.
3.
Living
green
means
reducing
one’s
carbon
footprint,
or,
more
generally,
making as small an impacton the natural
environment as possible.
Yes, I have
thought about it. I can take some small steps to
restrict energy
consumption. For
example,taking shorter, cooler showers. In that
way I can
save energy by minimizing hot
water use.
Reading &
Interacting
I. Understanding the Text
1. Text Organization
Parts
Paragraphs
Main Ideas
The
writer
and
her
family
wanted
to
slow
Part One
Paras. 1-4
things
down
and
decided
tomove
to
a
property that was off the grid.
Living
off
the
grid,
the
writer’s
family
had
to
Part Two
Paras. 5-10
deal
with
a
lot
of
big
challenges,and
yet
meanwhile gained many benefits.
Conclusion:
Going
off
the
grid
was
a
great
Part Three
Para. 11
experience for the
writer’sfamily.
2. Comprehension Check
2.1
Focusing on the main ideas
After living
in the city of Las Vegas for years, Alison
Zeuschel and her family
decided to
moveto the countryside. Their home hunting ended
up in a very
small town in Arizona
where theypurchased a house on 40 acres that was
not only off the grid, but without
access to any (public)utilities. Just imagine
the
challenges
facing
them,
such
as
generating
their
own
power
and
haulingtheir
own
water.
However,
they
worked
hard
and
succeeded
in
making
the
adjustment
in
a
fewmonths.
In
addition,
they
benefited
a
lot
from living off the grid there. Most
important of all, theycame to know the
importance of conservation and learned
how to conserve power and water
andhow
to reuse things, etc. In other words they learned
how to live green.
2.2 Digging into
detail
1. Her daughter wanted a horse. Her
husband wanted property. Her son
wanted
a
dirt
bike.
Thewriter
herself
wanted
her
family
to
be
more
self-sufficient.
2.
The
property
was
off
the
grid.
It
was
actually
not
connected
to
any
utilities
—
power, water or asewer
system.
3. They generated electricity
by wind and solar power, and stored it in 16
golf
cart
batteries.
Waterhad
to
be
hauled
in
from
a
nearby
town
and
stored in two tanks located on the
property.
4. In her view, one of the
greatest benefits was teaching her children the
importance of conservation.
changes
included
reducing
the
amount of
trash
by
recycling
and
composting, growing theirown organic
vegetables and reusing things that
they
would normally toss away.
2.3
Understanding difficult sentences
1. A
2. B
3. B
4. A
5. B
II. Focusing on Language in
Context
1. Key Words & Expressions
1.1
1.
Jack
has
no
interest
whatsoever
in
pursuing
an
acting
career.
He
loves
writing and directing.
2. The idea was to have users upload
their medical records, so that they
could be available at any time.
3.
Traffic
jams
often
build
up
when
drivers
slow
down
to
see
what
happened in a crash.
4. A native New Yorker, Ben is familiar
with the city, its neighborhoods, and
all he has connectionswith.
5.
You
may
have
already
seen
your
dream
house.
Before
you
put
in
an
offer,
you
can
do
a
few
morethings
to
ensure
you
purchase
the
right
property for the right
price.
6. Buying organic fruit and
vegetables costs more, and for many shoppers,
the benefits hardlyseem worth the extra
expense.
7.
Self-sufficient
living
is
the
practice
of
providing
for
your
own
needs
without outside aid orresources.
8. In the interview, the writer was
asked how he set about writing a novel
based on a dream heonce had.
9. Are you thinking of becoming an
insurance sales agent? Take this quiz
to find out if this is theright career
choice for you.
10.
The
rent
for
the
apartment
is
reasonable;
besides,
the
utilities
are
inclu
ded, which means
youdon’t have to pay anything for gas, electricity
and water.
11. A central
heating and cooling system produces warm or cool
air in one
central area anddistributes
it throughout the building.
12. We were
deeply shocked and saddened when we learned of the
sudden
death of our newlyretired
professor.
13. If you know the ins and
outs of something, you know all the details about
it and understand howit works.
14. It’s long been proven that we can
accomplish any project if we break it
up into small pieces anddo the project
one piece at a time.
1.2
1. consist of
2. tossed
3. overall
4. hauling
1.3
1.
If
you’re
in
business
long
enough,
it’s
inevitable
you
will
meet
with/face/encounter setbacks.
5. went out
6. in use
2.
Hydroelectric
power
plants
generate
electricity
in
a
much
cleaner
way
than
coal-fired ones.
3. Knowing the proper
way to do laundry will help you avoid shrinking
your
sweaters and dyeingyour white
socks pink.
4. We really appreciate the
invitation to your party, but my elderly mother
lives with us and wedon’t like to leave
her alone in the evenings.
5. The hotel is OK but could make some
adjustments to live up to its 5-star
rating.
6. Most of us take
electricity for granted. But do you know that
about 1.5
billion people in this
worldhave no access to electrical power?
2. Usage
1. He
spoke to her looking away, as though to avoid
meeting her eyes.
2. I hope to arrive
in Hangzhou at 2:20 pm to catch the 3:10 train to
Ningbo.
3. Maria refused to attend a
party to which Lucia was also invited.
4. You may want to consider going on
strike if you think you are paid unfair
wages.
5. I remember feeling
really happy when I was told they had found a
house
that could meet ourneeds.
6. If I fail to pass the exam on the
first attempt, can I take the exam again?
7. The hotel and its staff are great.
We really enjoyed staying there during
our trip to Nanjing.