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3. Since the 1940s, NASA has learned a lot about the impact
Boş bırakılan yere, parçada anlam bütünlüğünü sağlamak of harsh circumstances on the human body during
için getirilebilecek cümleyi bulunuz.
space travel, from bone density loss to immune system
1. A vehicle is a hybrid if it utilises more than one form of abnormalities to radiation damage. _______ The Apollo
onboard energy to achieve propulsion. In practice, that 14 mission, which launched hundreds of tree seedlings
means a hybrid will have a traditional internal-combustion to the moon in 1971, was one of the first attempts to find
engine and a fuel tank, as well as one or more electric it out. The ‘moon trees’ were planted around the United
motors and a battery pack. Hybrid cars are sometimes States for the nation’s bicentenary after scientists studied
mistakenly confused with electric vehicles. _______ the seeds back on Earth, and they were virtually forgotten
Theoretically, diesel-electric hybrids would be even more about for years afterwards. However, the experiment is
fuel-efficient, but hybrid systems and diesel engines both remembered as a significant first step in understanding
represent an extra cost. So far, installing both in the same how plants are affected in space.
vehicle has proven to be prohibitively expensive. A) Many of the original moon trees have perished, albeit at
a rate similar to the control plants.
A) Hybrids are most often gasoline-burning machines that
utilise their electric bits to collect and reuse energy that B) Some moon trees have taken up residence in historically
normally goes to waste in standard cars. significant locations.
B) Regenerative braking is insufficient to stop a car quickly, C) Some of the experiments are expected to help the
so conventional hydraulic brakes are still necessary. development of far more advanced studies.

C) Operating the vehicle on electric power alone is possible D) Seeds in space are exposed to powerful radiation, low
if the hybrid system has enough electrical capacity. pressure, and microgravity.
D) In a series hybrid car, electric motors alone turn the E) Little is known about how it is possible to grow plants
drive wheels, so the motors must be large and powerful. throughout space flight, though.
E) Here the output of the engine and the electric motor are
blended together upstream of the transmission.

4. A record-breaking whale massacre in the Faroe Islands
has reignited a centuries-old dispute since this year’s
hunt was likely the largest as the custom began 400 years
ago. _______ Supporters of this type of whaling claim
2. Scientists have spotted a gigantic exoplanet that is
that it is a significant element of their cultural identity
believed to be hidden at the centre of the Milky Way,
and a sustainable method of getting sustenance from
about 22,000 light years away from the Earth. _______ It
nature. However, animal rights activists contend that
is a little bigger than thirteen Jupiters brought together,
the practice belongs in the past, noting that just 17 per
which means then for a planet to be really big.
cent of islanders consume whale flesh on a regular basis.
A) But they are still classified as a star because they Campaigners also argue that many hunters are breaking
produce light. Faroese laws.
B) Brown dwarfs are known as ‘failed stars’. A) As some regions of the ocean have a particularly dense
whale population, they have become the target of large
C) The new planet orbits a star, a little smaller than our own
whaling ships.
sun.
B) Whaling is the practice of hunting whales for their edible
D) Traditionally, the things we call planets are formed by
goods like flesh and fat.
lumps of stuff sticking together.
E) The scientists were able to spot the planet by using the C) Whaling was outlawed in numerous nations in 1969
technique micro lensing. because of the near-extinction of some whale species.
D) Commercial whaling supporters, such as Iceland, Japan,
and Norway, want to lift the ban.
E) The last remaining method of aboriginal whaling, called
Grindadráp, is still in use in Western Europe.

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