问题
判断题
带正电荷的离子称为阳离子，带负电荷的电子称为阴离子。
答案
参考答案：对
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带正电荷的离子称为阳离子，带负电荷的电子称为阴离子。
参考答案：对
| 看图选择正确的单词填空。 | |
 . He is a ____________  . Every day he goes to work ____________ ____________  . He likes ____________  . He is a writer, too. My mother likes singing. She is a ____________  . She goes to work ____________ ____________  . And I like painting, but I don't want to be an ____________  . I'm going to be a ____________  . |
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