问题
选择题
-- Two bottles of apple juice, please.
-- Only one bottle is left. Would you like to have ___________, sir?[ ]
A. one
B. it
C. any
D. something
答案
答案：B
搜题请搜索小程序“爱下问搜题”
-- Two bottles of apple juice, please.
-- Only one bottle is left. Would you like to have ___________, sir?[ ]
A. one
B. it
C. any
D. something
答案：B
右表为生物细胞里一些元素的含量．
| 元素名称 | 质量分数（%） | 元素名称 | 质量分数（%） |
| 氧 | 65 | 钙 | 1.5 |
| 碳 | 18 | 钠 | 0.15 |
| 氢 | 10 | 钾 | 0.35 |
| 氮 | 3 | 磷 | 1.0 |
（1）表中共表示出______种金属元素；
（2）由表中含量最高的金属元素和含量最高的非金属元素形成的化合物的化学式为______．