A-A+
For all its extremes Venus is a(n) incalculab
问题详情
For all its extremes, Venus is a(n) incalculable laboratory for researchers studying the weather and climate of earth.
A．invaluable
B．valuable
C．value
D．valueless请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：词义辨析incalculable不可计算的，无数的，难以衡量的；而A．invaluable无价的，价值无法衡量的；B．valuable贵重的，有价值的，颇有价值的；C．value价值，估价，评价，价格；D．valueless不足道的；因此A为答案。
