______ (48)A. Tegmark fears he may hold the recor
______ (48)
A. Tegmark fears he may hold the record for the longest time taken to read one book.
B. In a more positive vein,this is a wonderful collection of essays to dip in and out of if you already have a good overview（概述）of current cosmic understanding.
C. Levy is an active astronomer and an accomplished writer,so you’d expect him to provide a broad and accurate picture of our current understanding of the cosmos.
D. Scientific American has attempted to cater to this need by bringing together essays that have appeared in the magazine.
E. To some extent , these could have been plugged with a glossary（词表）of terms.
F. Also included are contributions on the world of subatomic particles,the origin of life on the Earth and the possibility of its existence elsewhere.
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答案：F
此题出现在第四段。我们还是根据上下文来做此题。此段第一句话说没有人可以挑别Levy所选文章覆盖的范围。选文既有关于各种行星、月亮以及太阳系中各种碎片的，也有关于银河系的文章。根据第一句话中的included和选项F中的also included, 我们可以判断这几句话是不能分开的，因为介绍的都是选文的有关内容。