一、单词拼写
1.We need to get to the r of the problem before we can solve it.
答案root
2.Nowadays people prefer o food and vegetables because they are free of chemical.
答案organic
3.Introduced as a “less-harmful” a to smoking,“vaping” has gained increasing popularity.
答案alternative
4.No other technological development has had as great an impact as the growth of electronics on so many a of social,economic,and cultural development.
答案aspects
5.It is an area at a d of about 1,000 metres below the surface where light does not reach but life still thrives.
答案depth
6.Individuals can reduce their contribution by creating less waste at the start—for i ,buying reusable products and recycling.
答案instance
7.N is necessary for life,so it is not surprising that food is such an important part of different cultures around the world.
答案Nutrition
