题目: 污染食品重要的放射行核素有()A.131碘B.40钾C.137铯D.90锶E.226镭 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1113/11fb3ac678bff83ac2ef5119b3d5f5b0.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 The bag of rice is ___ heavy for Tom to carry. Let’s go and help him.A. too B. so C. very 查看答案