【T15】
A.IN EXCHANGE
B.CAPABLE OF
C.PAY MUCH CLOSER ATTENTION
D.TEACHING THEIR MONKEYS A.ONE MONKEY WAS HANDED A GRAPE【T13】______FOR HER TOKEN
B.OTHER ANIMALS WOULD NOT BE【T14】______THIS FINELY
C.THEY TEND TO【T15】______TO THE VALUE
D.SPENT TWO YEARS【T16】______TO EXCHANGE TOKENS FOR FOOD EVERYBODY LOVES A FAT PAY RIS
E.YET PLEASURE AT YOUR OWN CAN VANISH IF YOU LEARN THAT A COLLEAGUE HAS BEEN GIVEN A BIGGER ON
E.INDEED, IF HE HAS A REPUTATION FOR SLACKING, YOU MIGHT EVEN BE OUTRAGE
D.SUCH BEHAVIOUR IS REGARDED AS 'ALL TOO HUMAN', WITH THE UNDERLYING ASSUMPTION THAT【T17】______.BUT A STUDY BY SARACH BROSNAN AND FRANS DE WAAL OFEMORY UNIVERSITY IN ATLANTA, GEORGIA, WHICH HAS JUST BEEN PUBLISHED IN NATURE, SUGGESTS THAT IT IS ALL TOO MONKEY, AS WELL. THE RESEARCHERS STUDIED THE BEHAVIOUR OF FEMALE BROWN CAPUCHIN MONKEYS.THEY LOOK CUT
E.THEY ARE GOOD-NATURED, COOPERATIVE CREATURES, AND THEY SHARE THEIR FOOD READILY.ABOVE ALL, LIKE THEIR FEMALE HUMAN COUNTERPARTS,【T18】______OF 'GOODS AND SERVICES'THAN MALES. SUCH CHARACTERISTICS MAKE THEM PERFECT CANDIDATES FOR DR.BROSNAN'S AND DR.DE WAAL'S STUDY.THE RESEARCHERS【T19】______.NORMALLY, THE MONKEYS WERE HAPPY ENOUGH TO EXCHANGE PIECES OF ROCK FOR SLICES OF CUCUMBER.HOWEVER, WHEN TWO MONKEYS WERE PLACED IN SEPARATE BUT ADJOINING CHAMBERS, SO THAT EACH COULD OBSERVE WHAT THE OTHER WAS GETTING IN RETURN FOR ITS ROCK, THEIR BEHAVIOUR BECAME MARKEDLY DIFFERENT. IN THE WORLD OF CAPUCHINS, GRAPES ARE LUXURY GOODS ( ARE MUCH PREFERABLE TO CUCUMBERS).SO WHEN【T20】______, THE SECOND WAS RELUCTANT TO HAND HERS OVER FOR A MEREPIECE OF CUCUMBER.AND IF ONE RECEIVED A GRAPE WITHOUT HAVING TO PROVIDE HER TOKEN IN EXCHANGE AT ALL, THE OTHER EITHER TOSSED HER OWN TOKEN AT THE RESEARCHER OR OUT OF THE CHAMBER , OR REFUSED TO ACCEPT THE SLICE OF CUCUMBER.INDEED, THE MERE PRESENCE OF A GRAPE IN THE OTHER CHAMBER (WITHOUT AN ACTUAL MONKEY TO EAT IT) WAS ENOUGH TO INDUCE RESENTMENT IN A FEMALE CAPUCHI
N.此题为多项选择题。