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单项选择题

The word "significant" in Paragraph 3 has the similar meaning with ______.

A．fatal
B．meaningful
C．harmful
D．remarkable

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热门试题

单项选择题Radiation can hurt us in that it can ______.

A．affect the healthy growth of our offspring
B．damage cells which may grow into cancer years later
C．kill large numbers of cells in main organs so as to cause death immediately
D．all of the above