填空题

Einstein is regarded as ______ . (20世纪最杰出的科学家之一)

【参考答案】

one of the most outstanding scientists of the 20th century

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填空题

As long as we spare no effort to protect the environment, ______. (地球就会变得更适合人类居住)

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Children now enjoy ______ (更好的医疗服务) than before.