精彩托福句子 2
时间：2017-02-09 04:23:12
（单词翻译:单击）
11.Acids are chemical compounds that,in water solution,have a sharp taste， a corrosive1 action on metals,and the ability to turn certain blue vegetable dyes red.
12.Billie Holiday's reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.
13.Essentially，a theory is an abstract，symbolic representation of what is conceived to be reality.
14.Long before children are able to speak or understand a language，they communicate through facial expressions and by making noises.
15.Thanks to modern irrigation，crops now grow abundantly in areas where once nothing but
cacti2 and sagebrush could live.
16.The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
17.
Anthropology3 is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.
18.
Fungi4 are important in the process of decay，which returns ingredients to the soil，enhances soil fertility， and
decomposes5 animal
debris6.
19.When it is struck，a
tuning7 fork produces an almost pure tone，retaining its pitch over a long period of time.
20.Although pecans are most
plentiful8 in the southeastern part of the United States，they are found as far north as Ohio and Illinois.
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