What really worries us is the explorers can accurately locate themselves with the device in case of bad weather.A.thatB.whereC.whatD.whether 题目和参考答案——青夏教育精英家教网—

                                           How Room Designs Affect Our Work and Feelings
     Architects have long had the feeling that the places we live in can affect our thoughts, feelings and
behaviors, But now scientists are giving this feelings an empirical (经验的, 实证的) basis. They are
discovering how to design spaces that promote creativity, keep people focused, and lead to relaxation.
     Researches show that aspects of the physical environment can influence creativity. In 2007, Joan
Meyers-Levy at the University of Minnesota, reported that the height of a room's ceiling affects how
people to think. Her research indicates that the higher callings encourage people to think more freely,
which may lead them to make more abstract connections. Low ceilings, on the other hand, may inspire
a more detailed outlook.
     In addition to ceiling height, the view afforded by a building may influence an occupant's ability to
concentrate. Nancy Wells and her colleagues at Cornell University found in their study that kids who
experienced the greatest increase in greenness as a result of a family move made the most gains on a
standard test of attention.
     Using nature to improve focus of attention ought to pay off academically, and it seems to, according
to a study led by C. Kenneth Tanner, head of the School Design ＆Planning Laboratory at University
of Georgia. Tanner and his team found that students in classrooms with unblocked views of at least 50
feet outside the window had higher scores on tests of vocabulary, language arts and maths than did
students whose classrooms primarily overlooked roads and parking lots.
     Recent study on room lighting design suggests that dim (暗淡的) light helps people to loosen up. If
that is true generally, keeping the light low during dinner or at parties could increase relaxation. Researchers
of Harvard Medical School also discovered that furniture with rounded edges could help visitors relax.
     So far scientists have focused mainly on public buildings. "We have a very limited number of studies,
so we're almost looking at the problem through a straw (吸管)," architect David Allison says. "How do
you take answers to very specific questions and make broad, generalized use of them? That's what we're
all struggling with."

What really worries us is ______ the explorers can accurately locate themselves with the device in case of bad weather.

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