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试题答案

本文从以下几个角度介绍。

    1、云南省德宏州高三上学期统测
    2、2024德宏州统测高三理科综合
    3、云南省德宏州高三统测2024
    4、德宏州高三上学期统测2024
    5、云南省德宏州高三统测

4、2026届德宏州高三开学定位监测地理试题


2、2026届德宏州高三开学定位监测生物试题


C．the waiters didn’t look after Mark Twain well
D．there were no mosquitoes in the hotel any longer
Apples are a kind of very popular fruit on the earth. They are delicious and are good for our health. We often say, “An apple a day keeps the doctor away.” But do you know that apples can also keep us awake (醒着)
When we are sleepy, we often drink tea or coffee. They can keep us awake because they have caffeine (咖啡因). But apples don’t have caffeine. How do they keep us awake Apples can keep sleepiness away because they have natural sugar (天然的糖). An apple has about 13g of natural sugar. It makes blood flow (血液流动) quickly and then makes us stay awake.
A study shows that caffeine can only keep us awake for a few hours, and drinking too much coffee is bad for our bodies. But apples can keep us awake for a long time because they give much energy (能量) to our bodies little by little. So eating apples is good for our health.
So, when you are sleepy next time, get an apple to eat!
56．What does the underlined sentence mean


C ．By creating virtual form. D ．By playing recordings.
29 ． What does the underlined word “deceased” in the third paragraph probably mean
A. Seriously ill B. Recently missing C. No longer alive D. Physically disabled
30 ．What do the researchers think of AI resurrection
A ．Negative. B ．Positive. C ．Neutral. D ．Unconcerned.
31 ．What should the government do
A ．Stop people from using the technology.


5、2026届德宏州高三开学定位监测政治试题


4、2026届德宏州高三开学定位监测 试题


6、2026届德宏州高三开学定位监测语文试题


6、2026届德宏州高三开学定位监测化学试题


4、2026届德宏州高三开学定位监测地理试题


5、2026届德宏州高三开学定位监测数学试题


故答案为：D.
根据氯化钾的溶解度随温度的升高而增大，一定温度时的氯化钾的溶解度不同，某温度时的氯化钾的溶解度的含义来计算该温度下的饱和溶液的溶质的质量分数，判断该温度下的溶液是否是饱和溶液来解答。
23．D
根据金属活泼性顺序表可知，强者置换弱者；过量的铁和硫酸铜反应生成铜和硫酸盐亚铁，通过过滤得到滤渣铁和铜的混合物，滤液硫酸亚铁溶液，现将硫酸亚铁溶液进行蒸发结晶得到硫酸亚铁晶体。
A、根据分析操作2是将溶液变成晶体的过程是恒温蒸发溶剂结晶，该说法错误，不符合题意；
B、固体X是生成的铜和过量的铁，该说法错误，不符合题意；
C、硫酸铜溶液是蓝色，硫酸亚铁溶液是浅绿色，故该转换过程中溶液由蓝色变成浅绿色，该说法错误，不符合题意；


c.氯化铁溶液呈淡黄色，氯化亚铁溶液呈浅绿色，故甲中溶液不是无色，错误。
故选ab；
甲中盐酸分别与氧化铁（属于氧化物）、铁（活泼金属）发生反应，乙中盐酸与碳酸钙（盐）发生反应，故可以得出：酸能与某些金属氧化物、活泼金属、某些盐发生反应，故填：活泼金属；
（3）i．上图是“检测站”测到顺德区4月4日的空气质量情况，当天空气质量为优，非常适合户外运动；
由图可知，户外运动，其首要污染物是臭氧（O3）；
ⅱ．若要获得天气的其他情况，“检测站”还需选择温度、风速、湿度等气象传感器（合理即可）。
19．（2024九下·顺德模拟）同学们对学校的“智慧农场”展开项目式学习。


3、2026届德宏州高三开学定位监测化学答案