阅读下面一首古诗，完成小题。
                                                                                                                                          雁门太守行
                                                                                                                                               李贺
                                                                                                                      黑云压城城欲摧，甲光向日金鳞开。
                                                                                                                      角声满天秋色里，塞上燕脂凝夜紫。
                                                                                                                      半卷红旗临易水，霜重鼓寒声不起。
                                                                                                                      报君黄金台上意，提携玉龙为君死。

古语说：“勿以官小而不廉，勿以事小而不勤。”必须对“为官不为”亮剑，对“廉而不勤”问责。这是因为“亮剑”、“问责”有利于政府（    ）

读“世界荒漠分布图”，完成下列问题．