问题
填空题
自然界中只存在两种电荷，分别是______电荷和______电荷．
答案
自然界只存在两种电荷：正电荷和负电荷．
故答案为：正；负．
搜题请搜索小程序“爱下问搜题”
自然界中只存在两种电荷，分别是______电荷和______电荷．
自然界只存在两种电荷：正电荷和负电荷．
故答案为：正；负．
| 根据图表完成对话，每空词数不限。 | |||||||||||||||||||
B: It's Thursday. What 2 our lessons today? A: In the morning, we have Chinese at eight o'clock. We 3 at nine o'clock. We have English 4 . I like English. B: What 5 5 in the afternoon? A: We 6 at 7 and we 8 history 9 . What subject(科目) do you like? B: I 10 science. It's funny. |