问题
单项选择题
在下 * * 种元素中，我国居民膳食中易于缺乏的是
A．钠
B．钾
C．锌
D．锰
E．铝
答案
参考答案：C
解析：我国居民膳食中易于缺乏的是钙、锌、铁、碘和硒。
搜题请搜索小程序“爱下问搜题”
在下 * * 种元素中，我国居民膳食中易于缺乏的是
A．钠
B．钾
C．锌
D．锰
E．铝
参考答案：C
解析：我国居民膳食中易于缺乏的是钙、锌、铁、碘和硒。
| 短文填空，每格一词，使短文完整。 | |
Today is ____________. It's ____________. We have Chinese, ____________, math in the morning. We have art and ____________ in the afternoon. I ____________ P. E. We often have P. E. class on the ____________, sometimes in the ____________. I often take my white ____________ to have my P. E. class. I like ____________. It's ____________ for me. |