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法洛四联征（tetralogy of Fallot）包括：________，________，________，________。

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参考答案：肺动脉狭窄 心室间隔缺损 主动脉骑跨 右心室肥大

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20℃时，将等质量的甲、乙两种固体物质，分别加入到盛有100g水的烧杯中，充分搅拌后现象如图1，加热到50℃时现象如图2，甲、乙两种物质的溶解度曲线如图3。请结合图示回答下列问题：

 

（1）图1中一定为饱和溶液的是          。

（2）图2中甲、乙两溶液中溶质质量分数的大小关系为                  。

（3）图3中表示乙的溶解度曲线是         ；P点表示的含义是                

                                 。
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According to historical records，the first (1) Olympic Games can be traced back to 776 BC.They (2) dedicated to the Olympian gods and were staged on the (3) plains of Olympia.They continued for nearly 12 centuries， (4) Emperor Theodosius decreed in 393 A.D.that aU such"pagan cults" (5) banned.
The oldest myth which concerns the beginning of the (6) Games is that of Idaios Daktylos Herakles.According to other (7) ，Zeus，the father of humanity，fought and defeated Cronus in a (8) for the throne of the gods.Finally，the well-known (9) Herakles is mentioned who staged games in Olympia in honour (10) Zeus,because the latter had helped him conquer Elis when (11) went to war against Augeas.
Through the 12 centuries of (12) Olympic Games，many wonderful athletes competed in the stadium and (13) hippodrome of ancient Olympia’s sacred area，moving the crowds with (14) great achievements.Although mortal，their Olympic victories immortalised them.Of (15) best athletes who left their mark on the sacred vallev (16) Olympia，some surpassed all limits and became legends by winning (17) successive Olympic Games and remaining at the forefront of their (18) for more than a decade.
The ancient Olympic Games were (19) a one.day event until 684 BC.when they were extended (20) three days.In the 5th century B.C.，the Games were extended again to cover five days.
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