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unit one why nasa barred women astronauts
timed reading: shuttle launched: one giant leap for womankind
unit two h1n1 (swine) flu
timed reading: coping with colds
unit three computers in cars
timed reading: two views on neural computers
unit four giraffes
timed reading: gorilla is not as mean as it looks
unit five building a food pyramid
timed reading: in search of the perfect french fry
unit six chew for health
timed reading: chew on this: gum may be good for body, mind
unit seven "fat" gene found by scientists
timed reading: kids with obesity-linked gene like fattening foods
unit eight can laughter cure illness?
timed reading: are happy people healthier?
unit nine four ways to achieve greater happiness in your life
timed reading: depression
unit ten teens and plastic surgery
timed reading: risks and rewards of plastic surgery
unit eleven wind power may have its own environmental problems
timed reading: white roofs to fight global warming
unit twelve greenhouse effect for kids
timed reading: facts about the greenhouse effect
unit thirteen the greenest green energy--fuel from algae
timed reading: alternative energy
unit fourteen ten freaky forces of nature
timed reading: raining animals and coins: mystery of the history
unit fifteen blue if you want to be creative, red if you want to be diligent
timed reading: how do we see red? count the ways
unit sixteen short sleeper
timed reading: genetic mutation may be why some people need less sleep than others
unit seventeen cloning
timed reading: how do i know if i'm eating cloned meat?
unit eighteen the internet is sick...
timed reading: the future of the internet
unit nineteen could life on earth have come from ceres?
timed reading: life's evolution may depend on galaxy
unit twenty pyramids
timed reading: egyptian lion mummy found in ancient tomb
ÕæÌâƪ
test 1 cet-4 2009Äê6ÔÂ
how do you see diversity?
test 2 cet-4 2008Äê12ÔÂ
that's enough, kids
test 3 cet-4 2008Äê6ÔÂ
media selection for advertisements
test 4 cet-4 2007Äê12ÔÂ
universities branch out
test 5 cet-4 2007Äê6ÔÂ
protect your privacy when job-hunting online
test 6 cet-6 2009Äê6ÔÂ
helicopter moms vs. free-range kids
test7 cet-6 2008Äê12ÔÂ
supersize surprise
test 8 cet-6, 2008Äê6ÔÂ
what will the world be like in fifty years?
test 9 cet-6, 2007Äê12ÔÂ
seven ways to save the world
test 10 cet-6, 2007Äê6ÔÂ
seven steps to a more fulfilling job
answer keys