Q
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01
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quality -n. that which something is known to have or be (“An
important quality of steel is its strength.”); amount of value or excellence
(“Their goods are of the highest quality.”)
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R
01
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radar -n. a device that uses radio signals to learn the position
or speed of objects that may be too far away to be seen
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02
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radiation -n. waves of energy from something that pro-duces heat or
light; energy from a nuclear substance, which can be dangerous
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03
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radio -n. the system of sending and receiving signals or sounds
through the air without wires
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04
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railroad -n. a road for trains; a company that operates such a road
and its stations and equipment
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05
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rain -n. water falling from the sky
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06
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rate -n. speed; a measure of how quickly or how often something
happens; the price of anything or service that is bought or sold
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07
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reason -n. the cause for a belief or act; purpose; something that
explains
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08
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recession -n. a temporary reduction in economic activity, when
industries produce less and many workers lose their jobs
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09
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refugee -n. a
person who has been forced to flee because of unjust treatment, danger or war
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10
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regret -n. a feeling of sadness or sorrow about something that is
done or that happens
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11
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relations -n. understandings or ties between nations; members of the
same family; people connected by marriage or family ties
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12
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religion -n. a belief in, or the honoring of, a god or gods
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13
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remains -n. a dead body
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14
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repair -n. work done to fix something
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15
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research -n. a careful study to discover correct information
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16
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resolution -n. an official statement of agreement by a group of
people, usually reached by voting
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17
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resource -n. anything of value that can be used or sold
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18
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restaurant -n. a place where people can buy and eat meals
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19
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rice -n. a food grain
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20
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right -n. what a person legally and morally should be able to do
or have (“It is their right to vote.”); ad. Agreeing with
the facts; good; correct; opposite wrong; on the side that is toward the east
when one is facing north; opposite left
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21
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risk -n. the chance of loss, damage or injury
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22
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river -n. a large amount of water that flows across land into
another river, a lake or an ocean
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23
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road -n. a long piece of hard ground built between two places
so people can walk, drive or ride easily from one place to the other
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24
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robot -n. a machine that moves and performs work
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25
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rock -n. a hard piece of mineral matter
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26
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rocket -n. a device shaped like a tube that moves through air or
space by burning gases and letting them escape from the back or bottom,
sometimes used as a weapon
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27
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room -n. a separate area within a building with its own walls
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28
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root -n. the part of a plant that is under the ground and takes
nutrients from the soil
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29
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rope -n. a long, thick piece of material made from thinner
pieces of material, used for tying
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30
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rubber -n. a substance made from the liquid of trees with the
same name, or a similar substance made from chemicals
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