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1.C 2.B 3.B 4.B 5.C 6.B 7.凹凸8.110V 0.23A 9.零电阻完全抗磁性10.万有引力电磁相互作用力强相互作用力弱相互作用力11.山上尘埃和烟雾少,还可以免除城市灯光影响.12.土壤上的雪是被下层土中向上传导的热量熔化的,青草的叶片之间
1.C 2.B 3.B 4.B 5.C 6.B 7. Bump 8.110V 0.23A 9. Zero resistance completely anti-magnetic 10. Gravity Electromagnetic interaction force Strong interaction force Weak interaction force 11. Mountain With less dust and smoke, it can also eliminate the impact of city lights. 12. Snow on the soil is melted by the upward conduction of heat in the underlying soil.