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3、[炎德英才大联考]2025年高二期末联考历史试题


5、[炎德英才大联考]2025年高二期末联考历史试题


A.She met her sister.
B.She had a leg check-up.
C.She answered a phone call.
4.What does the woman want to do
A.Move house.
B.Become independent.
C.Live with her grandparents.


The Canadian study was conducted by an observation made by 13-year-old Leia Khairy; daughter of Prof Paul Khairy, the lead researcher. She noticed that while her own heart was beating wildly as she played soccer, the parents on the sidelines were jumping up and down energetically. But Paul Khairy states, “Watching an ice hockey game can’t be replaced by physical activity. It raises heart rate but does not carry the same benefits on cardiovascular (心血管的) health as exercise.
The study of German foot ball fans found that a stressful match more than doubled the risk of a heart attack or a stroke. So it may be that you need to be fit before you watch a sporting event, rather than hope it is equal to brief exercise. Studies have only shown a significant effect on men; and there is no correlation between a fan’s emotional connection with a team and the occurrence of a heart attack. The authors of the Canadian paper suggest that anyone watching an exciting game should take seriously ally symptoms (症状) such as chest pain or shortness of breath. .
8 What can the data indicate in Paragraph 1
A. Heart rates change a lot while watching ice hockey.
B. Players’ performances are related to scoring chances.
C. Watching ice hockey has a lot to do with heart diseases.
D. Watching ice hockey can make people’s hearts race faster.


4、[炎德英才大联考]2025年高二期末联考历史答案


1、[炎德英才大联考]2025年高二期末联考生物答案


4、[炎德英才大联考]2025年高二期末联考语文答案


6、[炎德英才大联考]2025年高二期末联考生物答案


3、[炎德英才大联考]2025年高二期末联考化学试题


4、[炎德英才大联考]2025年高二期末联考生物学答案


该物质中含有氨基，氨基显碱性，能与盐酸反应，故A正确；
该结构中含有氨基、羧基，可发生分子间取代生成二肽，故B正确；
由结构简式可知该物质的分子式为C6H13NSO2，故C错误；
1 mol该物质中1 mol —COOH能消耗1 mol碳酸氢钠，生成1 mol CO2，即44 g，故D正确。
3.苯丙氨酸的结构简式为　　　　 　　　　　　　。
(1)该分子的酸性基团是　　 　　，苯丙氨酸与NaOH溶液反
应的化学方程式：__________________________________________


（5）电炉温度高，能使活性炭充分燃烧
（6）活性炭用量
（7）0.75；在其他条件相同时，加入 2g 氯化钠比不加入氯化钠脱氧效果更好2025年春学期阶段性质量调研（一）
化学试卷
2025.03
说明：1.本试卷分第卷（选择题）和第Ⅱ卷（非选择题）两部分。
2.试卷满分为100分。考试时间为100分钟。考试时不允许使用计算器。


3、[炎德英才大联考]2025年高二期末联考化学答案