读澳大利亚气候类型分布示意图（图14），回答问题。

(1)图中沿120°E经线自南向北，气候类型依次是              、             和热带沙漠气候。
(2)解释澳大利亚中部热带沙漠气候的成因。
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②                                                                      
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(3)澳大利亚西北部一月和七月分别盛行西北风、东南风，如图15。从海陆热力差异、行星风系(即三圈环流中的近地面风带)两个方面说明该地区盛行风向形成的原因及盛行风向对该地区气候干湿状况的影响。

一月：                                                                    
                                                                        。
七月：                                                                    
                                                                        。
(4)悉尼的季风气候特征不如上海典型，从悉尼季风气候特征不典型的表现和原因两方面加以说明。
                                                                          
                                                                          
                                                                          
                                                                          。