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考点
02
阅读理解说明文
< br>Passage1
（
2020·
北京密云
·
期中）
A
gadget which makes water out of air could become
the greatest household invention since the
microwave.
Using the same technology as
a dehumidifier (
除湿器
), the
Water Mill is able to create a ready supply of
drinking
water because it can always
get it from an unlimited source
—
the air.
The
company behind the machine says not only does it
offer an alternative to bottled water in developed
countries, but it is a solution for the
millions who face a daily water shortage.
The machine works by drawing in wet air
through a filter (
过滤器
) and
over a cooling instrument which changes
it into water droplets. It can produce
up to 12 liters a day. The Water Mill will also
produce more water when storms
pass
over, as the amount of water which is contained in
the air increases. In keeping with its eco-
development, the
machine uses the same
amount of electricity as three lights.
Inventor Jonathan Ritchey said: “The
demand for water is off the chart. So people are
looking for freedom fr
om
water distribution systems that are
shaky and unreliable.”
The
machine, which is about 3 feet wide, is likely to
cost
￡
800 when it goes on
sale here in the spring. Its maker,
Canadian Firm Element Four, roughly
calculates that a liter of water costs around 20p
to produce.
Environmentalists state
that half the world’s population will face water
shortage because of climate change by
2080. One in five is said to lack
access to safe drinking.
The Water Mill
is not effective in areas where the amount of
water contained in the air is below about 30
percent,
but in Britain that won’t be
much of a problem.
1
．
What does the
underlined word “it” in Paragraph 2 refer
to?
A
．
Water Mill.
C
．
Microwave.
2
．
What do we
learn about the machine?
A
．
It absorbs
steam and turns it into water.
B
．
It is very
expensive for families to afford.
C
．
It works in the
same way as microwaves.
D
．
It helps to
make the water clean to drink.
3
．
What’s the best
title for the passage?
B
．
Invention.
D
．
Drinking water.
A
．
A New Way to
Solve Water Problem
C
．
A Machine to
Make Water out of Air
B
．
A Dehumidifier
to Produce Water
D
．
An Absolutely
New Invention
Passage2
（
（
2020·
河南月考）
）
You might want
to take this news standing up. A national survey
finds that Americans of all ages are
spending more time sitting. Sitting too
much
——
especially when
watching television, phones or other
screens
—
can
be
bad for people’s health, research
suggests.
In a new study,
researchers analyzed previously collected survey
data from more than 50,000 American children,
teenagers and adults. The surveys,
which went from 2001 through 2016, asked people
how much time they spent
sitting.
People reported sitting a lot. For example, close
to two-thirds of children and teens said they sat
at least two
hours a day watching
television or videos. The data also showed that
computer use outside of school or work has been
increasing across all ages.
Lin Yang is a public-health expert at
Alberta Health Services in Calgary, Canada. As an
author of the new study,
she notes that
this trend is not unique t
o the United
States. “Other studies out of Europe and Australia
have also found
increases in sitting
time,” she says. “This includes sitting for work
or school as well as driving rather than walking
or
riding a bike.”
In recent years, inactivity has been
s
een as an important risk to people’s
health. The US Department of Health
and
Human Services updated its Physical Activity
Guidelines for Americans last year. It now
stresses new research
about the dangers
of too much sitting. “This new version recommends
A
mericans not only move more, but also
sit
less,” Yang says.
Though Americans sit a lot due to
screen time, they can make use of it to reduce its
risk to health. Erin
O’Loughlin, an
exercise psychologist at Concordia University in
Montreal, Canada, studies
how active
video
games
—sometimes called
“exergames”—can help kids move more. That may be
good news for Americans. “Sports
are
great. But you don’t have to play sports if that’s
not your thing,” she says. To up your active time,
she recommends
finding what
attracts you. “If you like screen time,
try to mix it with physical activity,” she says.
“You can do this by
playing active
video games.”
4
．
What did
researchers do in the new study?
A
．
They collected
worldwide data.
C
．
They did
analysis on previous data.
B
．
They improved
participants’
health.
D
．
They observed
people watch
videos.
5
．
What do the
underlined words “this trend” in paragraph 3 refer
to?
A
．
Sitting in
different places.
C
．
The increase in
sitting time.
B
．
Lack of outdoor
exercise.
D
．
The
decrease of screen time.
6
．
What is Erin
O’Loughlin’s idea about the way to move
more?
A
．
Combined ones
come first.
C
．
The
easiest one is the best.
7
．
What can be a
suitable title for the text?
A
．
Take Measures
to Cut Down Sitting Time
B
．
Stand Instead
of Sitting in Front of Screens
C
．
Americans
Should Limit Their Screen Time
D
．
Screen Time
Brings Health Risk to Americans
Passage3
（
2020·
江苏盐城
·
高三期中）
Hot Science
The Benefits
Experts have found that there are clear
health benefits of drinking tea.
Research has
led to the discovery that
chemicals found in
tea can help prevent
cell damage. And there
is clear
evidence that drinking three to four
cups of tea a day will reduce the
chances of
heart attacks and certain
cancers. Other
health benefits include
bone strengthening
and protection
against bad teeth.
tea is actually
better for you than drinking
water,
Re-hydration
There was also some interesting
information on the qualities of tea.
The
research dispels the fear that tea
is
Tea Jokes
Why was the
teacher angry with the Teapot?
Because
he was
What did the teapot wear to bed?
A
Tea Facts
Here
are some truly amazing tea facts.
Tea·
comes
from of
a·
tree called camellia
tree
can grow over 10 metres tall. However, it is cut
short so that the leaves can be taken
easily.
Tea is grown in India, Sri
Lanka, China,
B
．
Interest
actually matters a lot.
D
．
The more
challenging, the better.
<
/p>
dehydrating(
脱水）
。＂<
/p>
Everyone assumes
that
caffeine-containing drinks such as tea
dehydrate,
even if you had a
really strong cup of tea,you
would
still have a gain of
fluid
（液体）
。
In
terms of fluid intake,we recommend 1.5
to 2
litres per day,and that can
include tea. Tea is
not dehydrating.
It's a healthy drink.
The Negative Side
There was only one bit of bad news
about ch suggests that tea can
affect the body's ability to absorb
iron from
food. This means that people
at risk of
anaemia(
贫血）
should
avoid drinking tea
around mealtimes.
8
．
Tea
is unable to help prevent
A
．
heart attacks
B
．
bad teeth
Indonesia, Argentina, 'Kenya; Japan,
Taiwan,
Bangladesh, Uganda, Malawi,
Turkey, Iran, Brazil and
Tanzania.
India is the world's largest tea producer.
Eighty percent of the caffeine in tea
can be
removed by pouring hot water
over the leaves.
C
．
weak bones
D
．
iron shortage
9
．
The underlined
word
A
．
confirm
B
．
convey
C
．
remove
D
．
raise
10
．
According to
the passage, which of the following statements is
TRUE?
A
．
Tea is
used to cure different diseases.
B
．
Strong tea
cannot relieve human thirst.
C
．
Tea jokes only
work for the tea lovers.
D
．
Tea bushes are
cut short for easy harvest.
Passage4
（
2020·
黑龙江让胡路
·
大庆一中期中）
Among all the fast-growing science and
technology, the research of human genes, or
biological engineering
as people call
it, is drawing more and more attention now.
Sometimes it is a hot topic discussed by people.
The greatest thing that gene technology
can do is to cure serious diseases that doctors at
present can almost do
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