GRE作文是中国学生比较头痛的，经常准备很多时间最后还是只得到3.5。我之所以得到6分，个人认为我的文风比较淳朴扎实，有科学性，写的思路比较广(正、反、特)，字数也比较多(I800+、A700+)。
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composition, and technique might view the same work as an attempt to combine color foi
visual impact, or as an experiment with certain brush-stroke techniques.
To sum up, I concede that as students and scholars our working "materials"--facts, data,
objects, and events--are open to subjective interpretation in terms of what they teach us.
However, what our materials teach us is a function of what we've already learned, and has little
if anything to do with our personal basket of emotions and moods called "personality."
Issue 91
"As we acquire more knowledge, things do not become more comprehensible, but more
complex and more mysterious."
Does knowledge render things more comprehensible, or more complex and mysterious? In
my view the acquisition of knowledge brings about all three at the same time. This paradoxical
result is aptly explained and illustrated by a number of advances in our scientific knowledge.
Consider, for example, the sonar system on which blind bats rely to navigate and especially
to seek prey. Researchers have learned that this system is startlingly sophisticated. By
emitting audible sounds, then processing the returning echoes, a bat can determine in a
nanosecond not only how far away its moving prey is but also the prey's speed, direction, size
and even specie! This knowledge acquired helps explain, of course, how bats navigate and
survive. Yet at the same time this knowledge points out the incredible complexity of the
auditory and brain functions of certain animals, even of mere humans, and creates a certain
mystery and wonder about how such systems ever evolved organically.
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