下载APP
【单选题】
有关宇宙的叙述，正确的是（）
A.
太阳是宇宙的中心
B.
银河系和总星系合起来，就是目前我们能观测到的宇宙范围
C.
宇宙处于不断的运动和发展之中
D.
宇宙的范围估计其半径约为150～200亿光年
举报
题目标签：宇宙
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Naturally the young are more inclined to novelty than their elders and it is in their speech, as it always was, that most of the vocabulary changes originate. But listening critically to their talk I ...
A.
lack linguistic originality
B.
have always been interested in magic
C.
are becoming more superstitious
D.
are interested in magic when young