阅读理解
What was the biggest change in the tortoises in Paragraph 6?
A、
They showed abnormal behaviors.
B、
They had serious liver problems.
C、
They lost their appetite for fooD、
D、
They had obviously lost weight.
【正确答案】
D
【答案解析】
文章第六段提到， 据史料记载,这些乌龟的体重下降了约 10%，但回到地球后却有健康的食欲。在接下来的检查中,将这些动物与“作为试验对照的留守龟”进行比较,除了一些解释不清的肝脏小问题外，大多数事情似乎都很正常。
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