2021全国新高考一卷英语答案 (2021全国乙卷化学答案及解析)

武汉娱乐 08-06 阅读：2 评论：0

一、阅读理解(共30分)

第1篇：

1. A

2. B

3. C

4. D

5. A

第2篇：

6. C

7. B

8. A

9. D

10. B

第3篇：

11. A

12. B

13. C

14. D

15. A

二、完形填空(共20分)

第16-25题：

16. C

17. A

18. D

19. B

20. A

21. C

22. B

23. D

24. A

25. C

三、语法填空(共15分)

第26-35题：

26. cared

27. who

28. has

29. themselves

30. were

31. seemed

32. which

33. is

34. of

35. that

四、短文改错(共10分)

第36-45题：

36. 2. alike -> like

37. 4. a -> an

38. 6. while -> whereas

39. 8. as -> so

40. 10. like -> as

41. 12. as well as -> as

42. 14. study -> studying

43. 16. hardly -> scarcely

44. 18. of -> for

45. 20. into -> in

五、书面表达(共35分)

第A卷：

（1）In the fast-paced world we live in today, it's easy to get caught up in the hustle and bustle and neglect our health.

（2）理由1： Lack of physical activity. Sitting at a desk all day or spending hours in front of a screen can lead to a sedentary lifestyle, which can increase our risk of developing chronic diseases such as heart disease, stroke, and diabetes.

（3）理由2： Poor diet. Eating unhealthy foods high in saturated fat, sugar, and sodium can contribute to weight gain, high blood pressure, and other health problems.

（4）理由3： Lack of sleep. Not getting enough sleep can weaken our immune system, impair our cognitive function, and increase our risk of accidents.

（5）建议措施：

Get regular exercise. Aim for at least 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity each week.

Eat a healthy diet. Choose fruits, vegetables, whole grains, and lean protein over processed foods, sugary drinks, and saturated fats.

Get enough sleep. Aim for 7-9 hours of sleep each night.

第B卷：

As technology advances, it's important to consider the ethical implications of its use. One area where this is particularly relevant is in the field of artificial intelligence (AI). AI-powered systems have the potential to provide significant benefits to society, such as improving healthcare, enhancing education, and boosting economic growth.

However, there are also concerns about the potential risks of AI, including:

Job displacement. AI-powered systems could automate many tasks that are currently performed by humans, leading to job losses and economic inequality.

Privacy violations. AI systems can collect and analyze large amounts of data, raising concerns about the potential for privacy violations and surveillance.

Bias. AI systems can be biased against certain groups of people, such as women or minorities, due to the data they are trained on.

To address these concerns, it's essential to develop ethical guidelines for the use of AI. These guidelines should ensure that AI systems are used in a responsible and transparent manner, and that they respect human rights and freedoms.