英语作文，140字，急急急

Question

Direction: For this part, you are required to write a short essay titled Where Do you Prefer to Work, in City or in the Country?

. You should write at least 140 words following the outlines given bellow. Write your essay on your Answer Sheet.

Where Do you Prefer to Work, in City or in the Country?

1. 有的人愿意去城市工作。

2. 有的人愿意去农村工作。

3. 你有何选择?

Answer 1

Iron is essential for human life,as it is a key part of various proteins and enzymes,involved in the transport of oxygen and the regulation of cell growth and differentiation,among many other uses.One of the most important roles of iron is to provide hemoglobin (the protein in red blood cells),a mechanism through which it can bind to oxygen and carry it throughout your tissues,as without proper oxygenation,your cells quickly start dying.If you have too little iron,you may experience fatigue,decreased immunity or iron-deficiency anemia,which can be serious if left untreated本回答被网友采纳