4.56÷2.3的得数保留一位小数是2.0。()
正确
暂无解析
的值为()
— I ’m interested in that chair. How much do you want for it?
—25 dollars.
—_________. I ’ll give you 15 dollars.
赤道地区水资源比副热带地区水资源丰富,说明了自然资源:()
Why don ’t you ask him _____ help?
下列金属可通过热分解法冶炼制得的是()