问题
选择题
| The wet weather will continue tomorrow when a cold front _____ to arrive. |
A. is expected B. is expecting C. expects D. will be expected |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| The wet weather will continue tomorrow when a cold front _____ to arrive. |
A. is expected B. is expecting C. expects D. will be expected |
答案：A
活性炭能吸附多种气体，下表中列出了四种可被活性炭吸附的气体的有关数据．
| 物质名称 | 氮气 | 氧气 | 二氧化碳 | 氯气 |
| 相对分子质量 | 28 | 32 | 44 | 71 |
| 沸点/℃ | -196 | -183 | -78 | -34 |
| 被1cm3所吸附的气体体积/cm3 | 11 | 35 | 97 | 494 |
根据以上规律，预计氯化氢的沸点介于______两种物质的沸点之间．