Excel环境中,某单元格公式的计算结果应为一个小于0的数,但却显示了信息“&&&&”,使用()操作可以使结果正常显示,且又不影响该单元的数据内容。
26. All the firemen in the city were ______ to fight against the big fire.
50. Although they are identical twins their parents can easily ______ between them.
5. By saying “the conclusion to be drawn are obvious” (Para 4, Line 1-2), the writer means that ( ).