Tom was clever, but his parents were poor, so he had to work 41 his spare time and during his holidays to 42 his education. 43 this, he 44 get to the university, but it was 45 expensive to study there that during the holiday he found 46 necessary to get two jobs 47 the same time 48 make enough money 49 his studies. One summer he managed to 50 a job in a butcher’s shop(肉店)during 51 , and another in a hospital 52 . In the shop, he learnt to cut meat quite nicely, so th12.根据39÷4=9…3,所以390÷40=9…3.×.(判断对错)