What does "it" of "since water-vapor becomes water when it cools" in Para. 3. refer to A.Water-vapor.B.Water.C.Cloud.D.Air. 相关知识点: 试题来源: 解析 D 要弄清楚该句中的指代关系,就必须正确理解文章第三段的内容――雨是如何形成的。云是由含有水蒸气的空气形成的。空气不断上升、...
百度试题 结果1 题目 Liquid water changes to vapor, __ is called evap A.which B.C.whatD.that 相关知识点: 试题来源: 解析 A 暂无解析 反馈 收藏
This is called “Vaping”. The vapor is very similar to smoke, but it’s only water vapor. You get the same feel as if you are actually smoking, a real throat hit, you still are putting a device in your mouth like a cigarette and you are even blowing smoke, known as vapor, out ...
Water vapor is water in its gaseous state-instead of liquid or solid (ice). Water vapor is totally invisible. If you see a cloud, fog, or mist, these are all liquid water, not water vapor. Water vapor is extremely important to the weather and climate. Without it, there would be no...
a liquid. If heat is taken away from liquid water, it freezes to become ice.The water cycle is called the hydrologic cycle. In the hydrologic cycle, water from oceans, lakes, swamps, rivers, plants, and even you, can turn into water vapor. Water vapor condenses into ...
百度试题 结果1 题目What is the air temperature when the water vapor in the air begins to dew? A. Dry-bulb temperature B. Black globe temperature C. Wet bulb temperature D. Dew-point temperature 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
解析 A。解析:“clouds are made of water vapor”是客观事实,宾语从句陈述客观事实用“that”引导。选项B“if”表示“是否”,不适合陈述这种客观事实;选项C“what”在从句中要充当成分,这里不需要;选项D“how”表示方式等,这里不是关于方式的内容。反馈 收藏 ...
Water vapor is water in its gaseous state-instead of liquid or solid (ice). Water vapor is totally invisible. If you see a cloud, fog, or mist, these are all liquid water, not water vapor. Water vapor is extremely important to the weather and climate. Without it, there would be no...
当what用作连接代词，引导名词性从句时，可引导主语从句、表语从句和宾语从句（不可引导同位语从句）；它本身在从句中充当主语、宾语或表语。例1：What you have done might do harm to other people.(what引导主语从句并在从句中作宾语)翻译：你所做的事可能会伤害别人。例2：What is most important ...
Which of these has the highest vapor pressure in a sealed container at a temperature cool enough to produce a liquid? (a) CH_3CH_2OH (b) NCl_3 (c) H_2 (d) N_2 (e) CH_3OH. Which is denser at the same temperature and pressure: dry air or air saturated with ...