单选题According to this passage, turtles are of great importance in China because they are _________.ArareBthe most expensive in food marketsCimported into ChinaDused to cure certain diseases
单选题
According to this passage, turtles are of great importance in China because they are _________.
A
rare
B
the most expensive in food markets
C
imported into China
D
used to cure certain diseases
参考解析
解析：
本题是细节题。第一段第一句提到：自从有人声称中国的三线箱龟制成的药物能治疗癌症后，这种产品的需求量增加了，这使得金钱龟成为中国食品市场上最昂贵的东西；前面提到的三线箱龟也即是后面的金钱龟，因此答案为D。
本题是细节题。第一段第一句提到：自从有人声称中国的三线箱龟制成的药物能治疗癌症后，这种产品的需求量增加了，这使得金钱龟成为中国食品市场上最昂贵的东西；前面提到的三线箱龟也即是后面的金钱龟，因此答案为D。
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