原文：According to the survey of 2012, men are taller than women.
题目：The survey of 2012 finds that women are smaller than men.
原文：Frogs are losing the ecological battle for survival, and biologists are at a loss to explain their demise.
题目：Biologists are unable to explain why the frogs are dying.
原文：On 13 July 1907, Baekeland took out his famous patent describing his Modern-day plastic preparation, the essential features of which are still in use today.
题目：Modern-day plastic preparation is based on the same principles as that patented in 1907.