问题 判断题 5米的20%与2米的50%相等。[ ] 答案 正确 选择题 — It's said that it will be extremely cold this winter. — ____, the majority of the experts predict that the temperature will be normal. [ ]A. In other words B. On the contrary C. As a result D. What's more 查看答案 单项选择题 （）最适合于做汽车隔音材料。A、玻璃纤维B、加强刚性发泡剂C、石棉制品D、毛毡纤维绵 查看答案
