题目内容
吸收铁的最主要部位是
查看答案
搜索结果不匹配？点我反馈
更多问题
胃大部切除术后出现贫血主要是由于减少了
But coronary arteries can become blocked usually by a buildup of cells, fat and __________(1 word) which is called plaque.
The heart needs blood and the oxygen the nutrient carries to _________________ (2 words).
When you are active or ____________________ (2 words), the heart needs even more blood. But if the coronary arteries become blocked, there might not be enough blood flow to the _________________________(2 words).
微信支付 
支付宝支付