第三部分：概括大意与完成句子(第23～30题，每题1分，共8分)
阅读下面这篇短文，短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题；(2)第27～30题要求从所给的6个选项中选择4个正确选项，分别完成每个句子。请将答案涂在答题卡相应的位置上。
23 Paragraph 2 __________
24 Paragraph 3 __________
25 Paragraph 4 __________
26 Paragraph 5 __________
27 If you want to ask the boss for anything，it is important to find out first __________．
28 It is necessary to make clear to the boss __________．
29 It is not wise to present the boss with a problem __________．
30 You must be considerate and think of the troubles __________．