【题目】The three layers of skin act as a barrier against diseases, poisons and the sun's (射线).
在线课程【答案】rays
【解析】rays.考查名词。句意：皮肤的三层是抵抗疾病、毒物和太阳射线的屏障。“射线”是可数名词要用复数，故填rays.
查询谷 - www.chaxungu.com
The three layers of skin act as a barrier against diseases, poisons and the sun's .
编辑：chaxungu时间：2026-04-27 03:02:08分类：高中英语题库
最新文章
- 2026-04-27The three layers of skin act as a barrier against diseases, poisons and the sun's .
- 2026-04-27Not having a good excuse for being late for school, Sally .A. made one up B. made it upC. took one u
- 2026-04-27Examples include sunburn and burns caused by hot liquids.
- 2026-04-27Xie Lei's preparation course is helping her to get used to the academic r of a Western universi
- 2026-04-27If the traffic is good, I can make it to the school to the child.A. pick B. gatherC. collect D. take
- 2026-04-27This is the third time he late this month! He has to be reminded.A. is B. have beenC. has been D. wi
- 2026-04-27A sound governing system should guarantee people's of civil rights.A. action B. employmentC. ac
- 2026-04-27“China, with 56.6 million people living in the Internet connected homes, is now second only to the U