题型:名词解释 — How fine the weather is! Why don't we go out for a walk?— ________. Let's go! [ ]A. No, thanks B. Good ideaC. With pleasure D. Pardon me 查看答案
题型:名词解释 两个完全相同的金属小球,所带异种电荷的电量之比为3:5,当它们相距L(L远大于小球大小)时,相互作用力为F,现将两球接触后放到相距为2L的两点,这时两球相互作用力大小是( )A.415FB.1615FC.115FD.160F 查看答案