问题
选择题
—Is that a watch?
—_________.[ ]
A. No, that is a watch
B. No, this is a watch
C. Yes, it's a watch
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Is that a watch?
—_________.[ ]
A. No, that is a watch
B. No, this is a watch
C. Yes, it's a watch
答案：C
下表是一些物质的熔点和沸点（1标准大气压下），根据下表，在世界各地都能测量气温的温度计是
| 物质种类 | 酒精 | 水 | 水银 | 乙醚 |
| 熔点/℃ | －117 | 0 | －39 | －114 |
| 沸点/℃ | 78 | 100 | 357 | 35 |