王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 Scientists have tried many ways to prevent the nuclear reactions from ______ harmful and dangerous radiation.A. giving upB. giving inC. giving toD. giving off 答案 登录 注册 参考答案: D 出自:文鼎教育 >> 乐山师范学院翻译 乐山师范学院继续教育学院