题目内容
The Weddell seal of Antarctica can dive to a depth of about, 1,600 feet and remain submerged for as long as an hour and ten minutes.
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Louis Sullivan, a famous American architect, varied his structures to suit the local climate.
构建社会主义和谐社会，关键在（）。
The Texas Opera Theater was established as a subsidiary of the Houston Grand Opera in order to give young singers performing their their experience.
嵌顿疝内容物中的肠管是小肠憩室。称为
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