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この教科書のレベルはどのくらいですか教えください
この教科書でどのくらいのレベルの大学まで対応できますか？

1 On 10 February 2009, at a height of about 800
kilometers above Siberia, an American satellite collided
the first such
height [háit]
satellite [séetalait]
collide(d) [kaláid(id)]
with an old Russian satellite.
It was
collision [kaligan]
collision in the history of space development. As a result,
fragment(s)
[fráegmant(s))
debris [dabri:]
more than 1,000 fragments of debris were scattered into
space.
2 The image above shows the vast amount of space
debris in orbit around Earth. Approximately 22,000
vast [váest]
orbit [5:rbat]
approximately
[aprá:ksamatli)
objects larger than 10 centimeters across are floating
around Earth. Of these, about 16,000 are from known
10
considering
[kansidarig)
artificial [a:rtafijal]
currently [ks:rantli]
operation [a:paréifon]
Considering that there are only about 1,000
artificial satellites currently in operation, the amount of
Sources.
space debris is astonishing.
This space debris is not only due to the collision of
satellites.
For example, when rockets reach space, they s
15
leave behind surplus engines and fuel tanks. These
objects remain in orbit as space debris. In addition,
surplus s5:rplas]
there are tools that astronauts have dropped while
tool(s) [t:l(z))
astronaut(s)
[astrand:t(s)
aluminum [ala:manom
per|par]
working outside. Even a one-centimeter aluminum ball.
when orbiting at a speed of around 10 kilometers per 0
bullet [bálat]
second, is far more powerful than a bullet from a gun.
gun [gán]

1 When thinking about the environment, the Japanese
bottled [bá:tld]
should take time to reconsider their lifestyles. Today, one
of the hottest environmental issues abroad is bottled
issue(s) [ju(z))
water. Not only does the bottled water industry cost the
industry[indastri]
planet a great deal in energy and materials, it has become
a symbol of First World excess.
deal di:!]
excess[iksés]
ironic lairá:nik]
wealthy [wélli]
willing[wilig)
2 It is ironic that, although consumers in wealthy
countries have safe drinking water, they are willing to pay
up to 100 times more for bottled water because of clever
packaging [pekidsig]
packaging and attractive names. All the development that »
has brought drinkable tap water to everyone in Japan
drinkable [drigkab]
tap [táep)
seems somehow wasted. Why people prefer to buy small
mystery [místri]
amounts of water in PET bottles remains a mystery.
profit(s) [prá:fat(s)]
The bottled water industry makes large profits while
Consuming, large amounts of energy. Vending machines 15
refrigerated
ifridgarèitid
shelves [felvz]
<shelf
and refrigerated store shelves run 24 hours a day. PET
bottles require costly disposal. Bottled water is an
costly [ks:stli]
disposal dispóuzl]
developed (divelopt]
ecological :kalá:dgik
impact [impaekt]
exple of how industries in developed countries increase
Consumer choice while ignoring the ecological impact of
their actions.

When space debris damages a satellite, the satellite
other satellites. Through this chain of destruction, space
itself becomes space debris, which may then collide witt
destruction (distrákjan]
explosively
iksplousivli
impossible impd:sobl]
debris is increasing explosively and may eventually make
the development of space impossible.
5 Under one plan to clean up space debris, a hunter
rotating [routéitigl
<rotate
droplet(s) [drá:plat(s)]
rotation [routeijan]
stretch(es) [strétf(iz)]
satellite approaches a rotating piece of debris. It shoots
water droplets at the debris in order to stop its rotation.
and then attaches a tether to it. As the tether stretches
brake [breik
toward Earth, it acts as a brake. The debris loses speed
and height and eventually burns up in the atmosphere.
6 Artificial satellites are indispensable in our daily lives.
indispensable
[indispénsabl]
They support the GPS functions of smart phones and car
navigation [navogeifan]
navigation systems. They are used to make weather
observations, which have become even more important
observation(s)
(a:bzarvéijm(z)}
abnormal [ebn5:rml]
with the global increase in abnormal weather conditions.
relay[i:lei
Also, they relay a rich variety of TV programs for our
enjoyment indsimant」
enjoyment and education. In the future, we will require
collaboration
global collaboration to ensure that satellites can safely
[kalebareifom
orbit around Earth.

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