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试题答案

本文从以下几个角度介绍。

    1、2024高三模拟考试
    2、2024~2024学年高三年级模拟考试卷(十五)
    3、2024高三模考
    4、2024高考模拟
    5、21年高三5.20联考模拟考试
    6、2024-2024学年度高三模拟考试
    7、2024高考模拟考试
    8、2024高三模拟
    9、20243年高考2年模拟
    10、2024高三模拟考试

5、高三2025届高考模拟&冲刺卷(七)7政治试题


1、高三2025届高考模拟&冲刺卷(七)7生物试题


To solve the problem,food delivery service companies need to improve their incentive systems(激励制度),noted CRI Online.
Some cities are also taking action. Shanghai has asked companies to train their deliverymen on traffic rules and safety. Now in Shenzhen,if a deliveryman gets caught breaking traffic rules more than twice,then he will be banned from driving food service delivery vehicles(交通工具)for a whole year.
1．How many food deliverymen were killed or injured because of traffic accidents in Shanghai in the first half of 2017
A．76. B．38. C．152. D．2,000.
2．Which of the following statements is TRUE according to the passage
A．It's a pity that all food deliverymen don't follow traffic rules.
B．If a deliveryman can't deliver an order on time,he will be fined up to 200 yuan.


D
Diabetes (糖尿病) researchers from the Icahn School of Medicine at Mount Sinai have developed a new understanding of how human beta cell regenerative (再生的) drugs work. These drugs, developed at Mount Sinai, may hold promise for more than 500 million people with diabetes in the world. The results of this study were published this month in Cell Reports Medicine.
Diabetes develops when cells known as beta cells become unable to produce insulin, a chemical substance essential to regulating blood sugar levels. While great progress has been made toward discovering a long-term treatment, none are appliable for millions of patients across the world.
For more than 15 years, researchers at the Icahn School of Medicine at Mount Sinai have worked tirelessly to find a solution to cure diabetes by identifying a drug that could make human beta cells regenerate. In 2015, Mount Sinai researchers discovered the first such drug, called harmine. Harmine is a member of a class of drugs called DYRK1A inhibitors (抑制剂). Finally, in July 2024, they showed that harmine alone increases human beta cell mass by 300 percent, and if a GLP-1RA is added, by 700 percent.
A key question has been how harmine causes beta cells to regenerate. In the newest study, the research team reports that the new, regenerated beta cells may be coming from an unexpected source: a second pancreatic cell type called alpha cells. Since alpha cells are abundant in people with type 1 and type 2 diabetes, they may serve as a source for new beta cells in both common types of diabetes.
“This may mean that people with all forms of diabetes have a large potential ‘container’ for future beta cells, just waiting to be activated by drugs like harmine.” said Esra Karakose, corresponding author of the study. “A simple pill, perhaps together with a GLP-1RA like semaglutide, is affordable and accessible to the millions of people with diabetes,” said Dr. Stewart, another researcher.
12. What can be inferred from drugs developed at Mount Sinai


5、高三2025届高考模拟&冲刺卷(七)7生物答案


2、高三2025届高考模拟&冲刺卷(七)7英语答案


3、高三2025届高考模拟&冲刺卷(七)7化学答案


4、高三2025届高考模拟&冲刺卷(七)7 答案


5、高三2025届高考模拟&冲刺卷(七)7化学试题


5、高三2025届高考模拟&冲刺卷(七)7物理答案


C．气体产物中有C+CO22CO
D．其他条件相同，木炭与CuO的质量比越大，生成的CO越少
【答案】C
【知识点】碳、一氧化碳、氢气还原氧化铜实验
【解析】【解答】A、装置内原有空气对实验会产生干扰， 实验前排尽装置内的空气，以免影响实验结果 ，不符合题意；
B、 实验中木炭与氧化铜反应生成铜和二氧化碳，观察到试管内的黑色粉末逐渐变为红色 ，不符合题意；
C、 气体产物中产生的CO可能是碳与二氧化碳高温反应生成 ，不符合题意；


铜溶液中，只有C表面有红色物质析出，则这三种金属活动性顺序是
A.B>C>A
B.B>A>C
C.A>B>C
D.C>B>A
10.我国明代宋应星所著的《天工开物》已记载有炼锡（锡的元素符号为S)的方法，用化
学方程式可表示为：Sn02+2C点越


3、高三2025届高考模拟&冲刺卷(七)7化学答案