一个人正常情况下每天约需0.8g钙.如果每天从食物中得到0.6g钙,问每天应补充 发布时间:2017-04-10 19:28 │ 来源:www.tikuol.com 题型:填空题 问题: 一个人正常情况下每天约需0.8g钙.如果每天从食物中得到0.6g钙,问每天应补充葡萄糖酸钙[(C6H11O7)2Ca]多少克?
题型:填空题 用适当的单词填空。 longer shorter 1. The rabbit has a tail. 2. The cat has a tail . heavier thinner 3. The black dog is than the white one. 4. The white dog is than the black dog. older younger 5. The woman is . 6. The girl is . 查看答案