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试题答案

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    1、下关二中初中部招生条件
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6、巴中市普通高中2023级"零诊"考试历史试题


3、巴中市普通高中2023级"零诊"考试历史试题


Do you want to fly like a bird Peter Salzmann dreamed of it and put his idea into practice with German car company BMW's help.
A regular wingsuit(翼装) is a special suit with a large piece of cloth. It can make you jump from a high place and fly to the ground.When flying with a wingsuit, you need to open your arms and keep your legs straight. The air and wind can bring you slowly to the ground. It's hard to control(控制), and you can't fly higher with it.
To improve the wingsuit, Salzmann had a new idea: he could make an electric(用电的) one and control it like controlling a car.He teamed up with German car company BMW to make it come true.They spent many years perfecting the design. Though they failed several times, Salzmann stuck to doing it.
Finally, Salzmann showed the electric wingsuit to the public with some friends wearing regular wingsuits. They jumped from a height of about 10,000 feet. They started the jump flying in formation(队形).Then, Salzmann pushed the button on his electric suit and rocketed past(迅速超越) his friends, flying over a mountain peak.
▲ It got much public attention. People believes the electric wingsuit is just the start of exciting new technology. And, people expect to see it more in the future.
26. What can we learn about the regular wingsuit
It helps you fly freely like a bird


20．Whose house is it ( )
21．Who is the girl ( )
22．What’s the matter ( )
A．Here are some biscuits (饼干) and juice for her. B．You can have them. C． Yes, she is behind the house. D．Yes, we have three beds. E. It's just right. Let's eat. F. They are fat. G. And the bed is too soft. H. I'm Liu Tao. I. Sure. Please, look at it. J. They're in the schoolbag.
23．There are three bears in the forest. ( )
24．There is a house in front of her. ( )
25．Goldilocks is hungry and thirsty. ( )


2、巴中市普通高中2023级"零诊" 语文答案


1、巴中市普通高中2023级"零诊"考试英语答案


5、巴中市普通高中2023级"零诊"考试英语答案


4、巴中市普通高中2023级"零诊"考试政治答案


6、巴中市普通高中2023级"零诊"考试英语试题


2、巴中市普通高中2023级"零诊"考试英语答案


15．乙酸异戊酯是一种常用的食品添加剂。某实验小组利用如图装置制备乙酸异戊酯(加热及夹持装置略)，相关数据如表。
乙酸 异戊醇 乙酸异戊酯 环己烷 环己烷与水共沸物 浓硫酸
沸点/℃ 118 131 142 81 69 338
投料 2.4mol 2.0mol 3.0mol 10滴
已知：分水器可将有机物和水分离；环己烷-水共沸物可带出水分。下列说法错误的是
A．反应混合液的加入顺序为乙酸、浓硫酸、异戊醇
B．应控制反应温度为69~81℃


氯化铵 有 无
相对湿度/% 35 47 58 65 70 85 90 35 47 58 65 70 85 90
实验现象 无明显锈点 均有灰白色锈点，且逐渐变成绿色疏松锈；绿色疏松锈依次增多 无明显锈点
表2 有害锈形成的影响实验记录表
用其他含氯化合物重复实验，观察到相似实验现象。
（3）结合以上实验可得出的结论是__________；甲组iii~vii号实验，相对湿度增加，绿色疏松锈依次增多的原因是__________。
实验二 探究铜锈中氯元素的含量


3、巴中市普通高中2023级"零诊"考试化学答案