问题
选择题
| —Would you like to go shopping with me? —Yes, I'd love to, but I'm _____ I have no time now. |
A. afraid B. kind C. happy D. glad |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| —Would you like to go shopping with me? —Yes, I'd love to, but I'm _____ I have no time now. |
A. afraid B. kind C. happy D. glad |
答案：A
下表是元素周期表的一部分，回答下列问题：
| 族/周期 | IA | ⅡA | ⅢA | ⅣA | Ⅴ | ⅥA | ⅦA | O |
| 2 | ① | ② | ③ | ④ | ||||
| 3 | ⑤ | ⑥ | ⑦ | ⑧ | ⑨ | ⑩ |
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（2）写出①元素最高价氧化物的电子式和结构式______，______．
（3）这些元素的最高价氧化物的对应水化物中______酸性最强；______．碱性最强；能形成两性氢氧化物的元素是______．
