But beyond the coincidences, the Minnesota scientists have gathered and analyzed ____(大量的) data about the twins' health, intelligence, and personalities.
They argue that everyone's life has enough details that a number of coincidences ____(一定会) exist.
____(而且) , for every coincidence discovered by a pair of identical twins raised apart, a skeptic could point to a vast number of undiscovered differences.
截面面积对某轴的一次矩成为(),等于截面()与()的乘积。