题目

Well,today,I had to go into town for an art exhibition that I had entered a piece in.Since it is winter here,I have not_41_going out of the house very much at all.So today I thought I would_42_myself to lunch—something I haven't done for ages! I walked around for a long time downtown,and finally,I_43_on some Thai food,from a buffet-type place.When I_44_down.I noticed a man walk by and sit down a few_45_away from me.He had a small dish of yogurt.As my_46_met his,I saw a sad,lonely man with_47_hair.He had dirt on his coat and pants,_48_from sleeping outside.I was pretty sure he was_49_.用相同的表头改装成的电流表内阻为1 Ω，电压表内阻为100 Ω，当把电流表和电压表串联后接入某电路，发现两者指针偏转角度之比为1：3，则改装电流表时需接上___________Ω的分流电阻，改装电压表时需接上___________Ω的分压电阻。