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问题 单项选择题

现代医学的主要目的（）。

A.救死扶伤和治病救人

B.预防疾病和延长寿命

C.减轻痛苦

D.预防疾病和损伤，促进和维护健康；解除由疼灾引起的疼痛和疾苦；照料和治愈有病的人，照料那些不能治愈的人；避免早死，追求安详死亡

E.挽救生命

答案

参考答案：D

完形填空

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为16—25的相应位置上。

Many years ago, when I worked as a volunteer at Stanford Hospital, I got to know a little girl __16___ （name） Lisa who was suffering from a rare and serious disease．Her only chance of recovery appeared to be a blood transfusion __17___ her five-year-old brother, ___18__ had miraculously （奇迹般地） survived the same disease and had developed the antibodies （抗体） needed to fight the ___19__ （ill）．

The doctor explained the situation to her little brother, and asked the boy___20__ he would be willing to give his blood to his sister．I saw him hesitate for only a moment before taking ___21__ deep breath and saying, “Yes, I’ll do it if it can save Lisa．”

As the transfusion progressed, he lay in a bed next to his sister and ___22__ （smile）, as we all did, seeing the color returning ____23__ her cheeks．Then his face grew pale and his smile faded．He looked up at the doctor and asked with a trembling voice, “Will I start to die right away?”

Being young, the boy had ____24___ （understand） the doctor; he thought he was going to have to give her all ___25___ blood．
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材料分析题

阅读图表，完成下列问题。    

（1）比较图中①②③④处气温年较差的大小，并分析原因。

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（2）简述A、B洋流的名称、性质及其对全球水热输送方面的影响。

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（3）基多是厄瓜多尔的首都，北距赤道仅24千米，海拔2850米。据表说明基多的气候特征，并分析其原因。

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