题目

When you’re on a fishing boat, you may see flocks of birds following in your track, hoping to catch a snack. Now scientists say they can use those birds’ behavior to track illegal fishing boats.Here’s how it works: Researchers attached data recorders to the backs of 169 albatrosses (信天翁) in the Southern and Indian oceans. The devices weighed only an ounce and a half, but they included a GPS and were able to detect the presence and intensity of radar signals coming from boats. That information was then transmitted by satellite, so the researchers could track the location of the bird19．电影《开天辟地》反映了我国历史上一件伟大的历史事件，这应该是（　　）A．辛亥革命B．五四运动C．中国同盟会的成立D．中国共.产.党的成立