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问题 单项选择题

典型麻疹皮疹的特点是

A．皮肤普遍充血，上有鲜红色粟粒疹
B．小斑丘疹，疹退后无色素沉着
C．大小不等的魔丘疹，无正常皮肤
D．红色斑丘疹，疹退后有色素沉着及脱屑
E．红色出血性斑丘疹，疹退后无色素沉着

答案

参考答案：D

完形填空

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综合

阅读下列材料，完成下列问题。（12分）

材料1:帕斯和悉尼降水量统计表 

城市1月7月年降水量
珀斯7193889
悉尼104841205
  材料2：澳大利亚1月和7月气压分布图

（1）澳大利亚大陆7月最高气压与1月最低气压的差值接近             百帕。（2分）

（2）图中M点在7月份时主要的风向为             ,并简述其成因              （4分）

（3）从风向、地形、洋流等因素，对比分析1月、7月表中两城市降水差异的原因。（6分）
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