下列关于金融市场泡沫的特征和规律，说法正确的有（ ）。
Ⅰ.金融市场泡沫有4个特征
Ⅱ.庞氏骗局属于金融市场泡沬的特征
Ⅲ.金融市场泡沬里只有一小部分盲从投资者的涌入
Ⅳ.当市场处于周期顶端时，人们完全处于过度乐观，过度自信和贪装之中，人们很容易相信市场能够创造奇迹，有人利用泡沬环境中人们的过度乐观设置庞氏骗局极易取得成，所以在市场顶部往往伴随看各种各样的庞氏骗局，这些庞氏骗局能够继续吹大泡沫。

Many English boys go to boarding school at the age of seven.They usually （ ）quickly and are very happy.

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There seemed little hope that the explorer,（ ）in the tropical forest,would find his way through it.

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The only decent hotel in town had hung out a “Full House” sign, so their only choice （ ） at a small inn.

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I prefer to take a plane rather than______a train.

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The article opens and closes with descriptions of two news reports, each ___ one major point in contrast with the other.

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That car is my property;you ______ use it without my permission.

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In addition to bending back and forth and swaying sideways, buildings can____, and these various motions can reinforce one another.

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Tony stops him with news that a plane has ______ over the Mojave Desert.

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Mobiles are considered cultural tools that areA.______socio-cultural practices and structures in all spheres of life.

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Surprises______: three-season riverfront beach bars, nightlife that's among Europe's best, and low-rise______that reward wanderers who use the city's dozens of old steeples as compass points.

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