问题详情

By using the word "imponderables" in Paragraph 4, the author suggests that ______ .
A．some people are much more ambitious than others
B．some studies are hardly successful
C．some variables are difficult to calculate approximately
D．some twins show a tremendous likeness to each other此题为多项选择题。请帮忙给出正确答案和分析，谢谢！