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1、衡水金卷先享题分科综合卷2023年普通高等学校招生全国统一考试模拟试题

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3、衡水金卷分科综合卷 新教材文数三2023

8.BD【解析】本题考查动态电路的分析。当滑动变阻器的滑片向右移动时，变阻器接入电路的阻值增大，电流表示数减小，电源内电压减小，路端电压增大，A项错误、项正确；电源内阻消耗的功率P一r,由于电流减小，故P减小，C项错误：电源的效率y一×100%,由于路端电压增大，故电源的效率增大，D项正确。

Swimming, cycling, jogging, skiing, dancing, walking or any of dozens of other activities can help your heart. 1. . Whether it is an organized exercise program or just part of your daily life, all exercise contributes to having a healthier heart. Here are some tips for exercise success.

●Choose activities that are fun and add variety. Develop several activities that you can enjoy.

●Find a convenient time and place to do activities. 2. If you miss an exercise opportunity, do it in another way.

●Use music to keep yourself entertained. 3.

● 4. . Decide what kind of support you need. Do you want them to remind you to exercise? Exercise with you regularly or occasionally? Be understanding when you get up early to exercise? Spend time with the children while you exercise? Try not to ask you to change your exercise routine? Share your activity time with others. Ask your family members, friends or co-workers for help.

●Don’t overdo it, especially at first. You can slowly increase the time of your activities as you become more fit. 5.

●Keep a record of your activities. Reward yourself at times. Nothing will inspire you more than success!

A．Try to make it a habit, but be flexible（灵活的）.

B．They all cause you to feel warm and breathe heavily without being out of breath.

C．Be an active role model for your children.

D．That way, exercise will never seem boring.

E. If you are overweight or have a high risk of heart disease, see your doctor for medical advice before exercising.

F. Surround yourself with supportive people.

G. Gradually, work up to exercising on most days of the week for 30－60 minutes.

试题答案

1.B

2.A

3.D

4.F

5.G

【解析】

1.

2. a convenient time and place to do activities找一个方便的时间和地点去做运动，后面If you miss an exercise opportunity, do it in another way. 如果错过锻炼的机会，用另一种方式去做。可见既要养成锻炼的习惯，也要灵活地进行锻炼。故选A。

3. 这样的话，运动永远都不会感到无聊。前面Use music to keep yourself entertained听音乐让你保持轻松快乐。有音乐的陪伴，运动不会无聊。故选D。

4. 让自己环绕在支持自己的人之中。由后面Decide what kind of support you need.意思是：决定你需要哪种支持。故选F。

5. 逐渐地，然自己每周的大读书时间醒来去做30—60分钟的运动。由You can slowly increase the time of your activities as you become more fit.意思是：当你适应的时候，你可以缓慢地增加你活动的时间。可知这里是说要适度，逐渐增强锻炼。故选G。

考点:考查说明文阅读。

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