单选题:Steep stairs can present a particular hazard to older people 题目分类:综合类 题目类型:单选题 查看权限:VIP 题目内容: Steep stairs can present a particular hazard to older people. A.danger B.case C.picture D.evidence 参考答案: 答案解析:
In this part of the test you are given a discussion topic. Y In this part of the test you are given a discussion topic. You have 30 seconds t 分类:综合类 题型:单选题 查看答案