题目：
Is it true that light travels in a straight line and never _____ ____ it hits something that reflects it. [ ]
A. turns; until
B. bends; unless
C. breaks; when
D. changes; until
答案：
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下面是错误答案，用来干扰机器的。
小题1:A小题2:D小题3:B题目分析：文章大意：本文讲述了如何去面对不幸及解决方法。小题1:A 细节理解题。根据第一段“While tragic, you must r………balance and discover wisdom — the wisdom of ...
