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1、2023全国100所名校物理单元测试示范卷

2、2023全国100所名校单元测试示范卷·高三·物理卷(十)[23·G3DY·物理-R-必考-N]

3、卷临天下2023全国100所名校单元测试示范卷高一生物卷8

在写字楼里,总能看到忙碌着的白领们,他们的身体处于""亚健康状态"",而据有关调查显示:_________、痛风、心理疾患等已成为城市白领的常见病,而且发病较为普遍。

A.脂肪肝
B.心脏病
C.风湿病

你好，
我先提供中文的：
　　增加户外体育锻炼活动，每天保证一定运动量;现代人热衷于都市生活忙于事业，身体锻炼的时间越来越少。加强自我运动可以提高人体对疾病的抵抗能力。
　　常常洗手：键盘的缝隙里有很多脏东西;吃过的快餐余粒啊，喷过的飞沫啊，这些东西在随时危害你的健康。在办公室里一定要记得常常洗手。
　　每三天换一次鞋：经常更换鞋子可以让自己的脚少受委屈。最好每三天换一次，既利于脚的保健，又可避免鞋子变形。
　　及时调整生活规律，劳逸结合，保证充足睡眠; 适度劳逸是健康之母，人体生物钟正常运转是健康保证，而生物钟“错点”便是亚健康的开始。
以下是英文的：
　　Increase the outdoor sports activities, to ensure a certain amount of exercise every day; Keen on modern urban life are busy career, physical exercise less and less time. Strengthen self movement can enhance the body's resistance to disease.
　　Wash your hands often: the keyboard crevice have a lot of dirty things; Eat fast food more than ah, spray droplets ah, these things in any harm to your health. Must remember to wash your hands often in the office.
　　Once every three days in shoes: less often change shoes can let your feet be wronged. Had better change once every three days, is conducive to the foot care, and can avoid shoes deformation.
　　Adjust life rule, mix, assure enough sleep; Moderation is the mother of health work, the human body biological clock function is health care, and clock "wrong" is the beginning of the sub-health.

用一个准确的弹簧测力计测物重,先把物体挂在挂钩上,弹簧测力计示数为2.9N,再把弹簧测力计倒过来使用,用手拿着挂钩,将物体挂在吊环上,则弹簧测力计的示数是( )

A.略大于2.9N
B.略小于2.9N
C.仍为2.9N
D.0N

将弹簧测力计倒过来使用时,测力计外壳、拉环等的重力都由弹簧来承担,会在测力计上显示一定的示数,从而使最终的测量结果偏大、略大于2.9N.
故选A.