[成都一诊]高2023级成都市高三一诊适应性考试物理答案
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1、[成都一诊]高2023级成都市高三一诊适应性考试历史试题
6、[成都一诊]高2023级成都市高三一诊适应性考试历史试题
M: Well, don't you know the exam has been put off to next Tuesday
Q: What can we learn from the dialogue
14. W: The car seems to be running very well, Mike.
M: Yes, it should be. It costs me 8 thousand dollars!
Q: Why does the man expect the car to run well
(7. C 8. D 9. A 10. B 11. B 12. D 13. C 14. D)
C. Listen to the passage and complete the following sentences(听短文,完成下列内容。每空格限填一词)
____18____
Being too strict with what one eats often backfires. This often leads to quick weight regain and frustration. Instead of banning foods, focus on adding more whole, nutrient-rich options like vegetables, lean proteins, and healthy fats. For example, swap soda for sparkling water with lemon, or replace white bread with whole-grain alternatives. Small, sustainable changes lead to lasting results without the frustration of yo-yo dieting.
Prioritize sleep for overall well-being.
In today’s fast-paced world, sleep is often sacrificed for productivity or entertainment. ____19____ Sleep deprivation weakens immunity, increases stress hormones, and even contributes to weight gain. To improve sleep quality, establish a calming bedtime routine — dim the lights, avoid screens an hour before bed, and keep a consistent sleep schedule, even on weekends.
Stay active throughout the day.
Sitting for long periods is linked to poor circulation, back pain, and metabolic issues. If you have a desk job, set reminders to stand up and move every hour. ____20____ Simple activities like walking during phone calls or doing light stretches can boost energy, improve posture, and enhance mental clarity.
A. Be consistent rather than extreme.
1、[成都一诊]高2023级成都市高三一诊适应性 地理答案
6、[成都一诊]高2023级成都市高三一诊适应性考试生物答案
3、[成都一诊]高2023级成都市高三一诊适应性考试英语答案
4、[成都一诊]高2023级成都市高三一诊适应性考试物理答案
1、[成都一诊]高2023级成都市高三一诊适应性考试数学试题
1、[成都一诊]高2023级成都市高三一诊适应性考试政治答案
D. 间苯二胺中碳、氢元素质量比=(12×6):(1×8)=9:1,故正确,不符合题意。
故答案为:A。
【分析】A、根据纯净物有明确的化学式分析。
B、化学式中有几种元素符号,物质就含有几种元素。
C、在化学式中,元素符号右下角的数字表示,一个分子中含有该原子的个数。
D、在化学式中,元素的质量比等于元素的相对原子质量与原子个数的乘积之比。
5.【答案】D
14.【答案】B
15.【答案】(1)第三周期ⅢA族
(2)①c
②Ga与As电子层数相同,核电荷数:As>Ga,原子半径:As<Ga,得电子能力:As>Ga,元素的非金属性:As>Ga,因此GaAs中As为负价,As与N同主族,最外层5个电子,最低负化合价为-3
③GaAs+11HNO3(浓)=Ga(NO3)3+8NO2↑+H3AsO4+4H2O
(3)①粉碎残渣;加热或适当增大硫酸的浓度
②ZnO
3、[成都一诊]高2023级成都市高三一诊适应性考试化学答案
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