[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1く物理(无角标)答案
[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1く物理(无角标)答案于2026-02-26发布，目前已经汇总了[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1く物理(无角标)答案的各科答案和试卷，更多试卷答案请关注本网站。
本文从以下几个角度介绍。
[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·历史(无角标)试题
C. The significance of the study. D. The experts’ study background.
D
Carbon stored thousands of years ago is being released by rivers worldwide, according to the findings that suggest human activities are damaging the natural landscape more than previously thought.
Researchers already knew rivers release carbon dioxide and methane as part of the global carbon cycle. They are thought to send out around two billion tonnes of this carbon each year. But when Josh Dean from the University of Bristol, UK, and his colleagues set out to determine how old this carbon really is, they found that approximately 60% of the carbon released by rivers worldwide actually originated from stores dating back thousands of years. The team used radioactive dating to assess the age of carbon and methane released from more than 700 river parts across 26 countries.
“What really astonished us, when we collected all the data we could get, was that more than half of the carbon being released would be coming from these much older carbon stores,” says Dean. “There is a sort of continuous change, or sideways flow, of these old carbon stores.”
Ancient carbon is trapped in rocks, peatlands (泥炭地) and wetlands. The findings suggest that as much as one billion tonnes of it is being released back into the atmosphere each year through rivers. That means plants and soils are removing around one billion tonnes more CO from the atmosphere each year than first thought, to counter this impact.
“The pressing question now is why rivers are releasing so much ancient carbon. It could be due to climate change and other human activities disrupting the natural landscape,” says Dean. For example, rising temperatures caused by climate change could be triggering the release of carbon from thawing permafrost, or accelerating the rate of rock weathering. Other activities, such as the draining (排空) of peatlands or drying out of wetlands, could also be contributing.
[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·历史(无角标)试题
4、[天舟益考衡中同卷]2026年普通高中学业水平选择性 模拟信息卷(一)1·数学(无角标)答案
(4)A
18．(1)
(2)AB为晨线；E点的经度为150°E；太阳直射点的地理坐标为（9°35’S，150°E）。
(3)昼短夜长，纬度越高夜越长（昼越短），80°25’N及其以北有极夜现象。此时与北京处于同一日期的范围占全球7/12。
19．(1)BAC为昏线A点位于晨昏线上，且A点的地方时为15:00，昏线上地方时大于12:00，故BAC为昏线。
(2)南半球。理由：由图可知，昏线BAC呈东北西南走向，昏线上的日落方位为西北，太阳直射点位于北半球；图中A点日落时刻为15:00，昼短夜长，故A点位于南半球。
(3)朝向东北。
3、[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·数学(无角标)答案
4、[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·数学(无角标)答案
4、[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·化学(无角标)答案
21．【答案】（1）B；（2）A；（3）20；40；（4）温度；减少；增加；
【详解】
(1)由图乙所示图象可知，图象A比较陡峭，温度变化较快，图象B比较平缓，温度变化比较慢，由此可知，温度随时间变化比较缓慢的曲线是图乙中的B.
(2)装有热奶的奶瓶放在冷水中要放出热量，温度降低，由图乙可知，A的温度不断降低，因此表示热奶的温度随时间变化的曲线是图乙中的A，则表示水的温度随时间变化的曲线是B.
(3)由图乙所示图象可知，水的初温是20℃，热奶的初温是90℃，热奶的末温是40℃. (4)由于最初热奶与水具有不同的温度，它们间存在温度差，所以热奶和水会发生热传递；这个过程中热奶放出热量，内能减小；水吸收热量，水的内能增加．
22．【答案】（1） 温度计示数；转换法
（2） 对喷雾器内的气体做功并减小放热对温度的影响
[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·化学(无角标)答案
[天舟益考衡中同卷]2026年普通高中学业水平选择性考试模拟信息卷(一)1·数学(无角标)试题
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