_________(61)A.and B.lessC.more D.or

1，－5，13，－29，______ A.－61 B.－39 C.39 D.61

61._________A. processesB. producesC. possessesD.

_______（47）A.and a great deal of food and dinner

_______（48）A.and a great deal of food and dinner

_______（49）A.and a great deal of food and dinner

_______（50）A.and a great deal of food and dinner