托福考试

根据网考网考试中心的统计分析，以下试题在2017/12/17日托福考试习题练习中，答错率较高，为：44%
【单选题】 According to tile passage, scientists used isotopes from the water of the ice core to determine which of following
A．( The amount of air that had bubbled to the surface since the ice had formed
B．( The temperature of the atmosphere when the ice was formed
C．( The date at which water had become locked in the glacier
D．( The rate at which water had been frozen in the glacier

网考网参考答案：B，答错率：44%
网考网试题解析：
暂时没有解析查看试题解析出处>>