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Navigate B2 unit 10
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Some animals can see colours that are not V_____ to humans.
visible - TRUE: Some insects can see ultraviolet colours.
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Okay!
There are cameras that can R______ how energy-efficient your house is.
reveal - TRUE: Thermal-imaging cameras can show where heat is lost.
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Okay!
Men can D______ between different colours better than women.
distinguish - FALSE: Research shows that women can tell the difference between similar colours better than men.
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Water R_____ red light more than blue light.
reflects - FALSE: This is one reason why water looks blue.
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When you G____, you use the muscles in your cheeks.
glare - FALSE: The muscles in your forehead and eyelids are used.
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Up to the age of about one year, human babies cannot F_____ on objects that are far away.
focus - FALSE: Only up to the age of about four months.
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If you meet a bear when hiking, you should S_____ at it to make it go away.
stare - FALSE: This is aggressive and could make the bear more likely to attack.
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Many businesspeople train themselves to O_____ body language.
observe - TRUE: You can even go on courses to learn how to do this.
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It is possible to improve your night V_____.
vision - TRUE: Certain foods and eye exercises can help you see in the dark.
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Where and how you G_____ affects your memory.
gaze - TRUE: Especially for memories relating to places.
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Some eagles can S____ a rabbit from about three kilometres away.
spot - TRUE: Especially if the rabbit moves.
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Okay!
It is possible to count up to six objects accurately in a very quick G_____..
glance - FALSE: Only up to three or four.
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Okay!
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