题目

下列现象中不属于机械运动的是A. 一江春水向东流 B. 五四运动 C. 海水奔腾 D. 春风拂面 答案:【答案】B【解析】一江春水向东流,水的位置发生了变化,属于机械运动;五四运动是一种政治运动,不属于机械运动;海水奔腾,海水的位置发生了变化,属于机械运动;春风拂面,风的位置发生了变化,属于机械运动。故选B.读句子,选择正确的单词。policeman farmer vetdancer singer teacher1. He works on a farm. He is a _____.2. He teaches students in the class. He is a _____.3. She can dance well. She is a _____.4. He can catch thieves(小偷). He is a _____.5.She loves animals and she can cure them. She is a _____.6. He is good at singing. He is a _____.
物理 试题推荐