答案:D
根据括号内的汉语提示填写适当的单词。
1. How much is your _____ (衬衫)?
2. The yellow _____ (短裤) on the bed are Tom's.
3. Do you like that _____ (毛衣)?
4. The question isn't difficult, and _____ (任何人) can answer it.
5. This watch is very nice. It is 50 _____ (美元).
放射源作业前需要与相关方进行哪些方面的沟通?