The preference for opening an eye on the lookout side could be widespread, he predicts. He’s seen it in a pair of birds napping side-by-side in the zoo and in a single pet bird sleeping by a mirror. The mirror-side eye closed as if the reflection were a companion and the other ...
As long as we are united, there will be no difficulty in the world tha……【查看更多】 题目列表(包括答案和解析) .As long as we are united, there will be no difficulty in the world that we can’t___. A.overcome B.reject C