What is said about global warming in Excerpt 2?
A．It may not prove an environmental crisis at all.
B．It is an issue requiring worldwide commitments.
C．Serious steps have been taken to avoid or stop it.
D．Very little will be done to bring it under control.

未分类题【T11】A.SOLVE B.DISTINGUISH C.INTERACT A.WOULD THAT CHANGE THE WAY HUMANS【T7】______WITH THEM B.ONE PARROT CAN【T8】______FIVE OBJECTS OF TWO DIFFERENT TYPES C.ALLOWED HER TO【T9】______A NEW PROBLEM WHEN JUDGING ANIMAL INTELLIGENCE, SCIENTISTS LOOK FOR INSIGHT, WHICH THEY DEFINE AS A FLASH OF SUDDEN UNDERSTANDING.WHEN A YOUNG GORILLA COULD NOT REACH FRUIT FROM A TREE, SHE NOTICED CRATES SCATTERED ABOUT THE LAWN, PILED THEM AND THEN CLIMBED ON THEM TO REACH HERREWARD.THE GORILLA'S INSIGHT【T10】______WITHOUT TRIAL AND ERROR.THE ABILITY TO USETOOLS IS ALSO AN IMPORTANT SIGN OF INTELLIGENCE.CROWS USE STICKS TO PRY PEANUTS OUT OF CRACKS.THE CROW EXHIBITS INTELLIGENCE BY SHOWING IT HAS LEARNED WHAT A STICK CAN DO.LIKEWISE, OTTERS USE ROCKS TO CRACK OPEN CRAB AND, IN A SERIES OF COMPLEX MOVES, CHIMPANZEES HAVE BEEN KNOWN TO USE STICKS TO GET AT FAVORITE SNACK-TERMITES. MANY ANIMALS HAVE LEARNED TO COMMUNICATE USING HUMAN LANGUAGE.SOME PRIMATES HAVE LEARNED HUNDREDS OF WORDS IN SIGN LANGUAGE.ONE CHIMP CAN RECOGNIZE AND CORRECTLY USE MORE THAN 250 ABSTRACT SYMBOLSON A KEYBOARD AND 【T11】______AND CAN UNDERSTAND THE DIFFERENCE BETWEEN NUMBERS,COLORS, AND KINDS OF OBJECT. THE RESEARCH ON ANIMAL INTELLIGENCE RAISES IMPORTANT QUESTIONS.IF ANIMALS ARE SMARTERTHAN ONCE THOUGHT,【T12】______? WOULD HUMANS STOP HUNTING THEM FOR SPORT OR SURVIVAL? WOULD ANIMALS STILL BE USED FOR FOOD OR CLOTHING OR MEDICAL EXPERIMENTATION? FINDING THE ANSWER TO THESE TOUGH QUESTIONS MAKES A DIFFICULT PUZZLE EVEN FOR.A LARGE-BRAINED, PROBLEM-SOLVING SPECIES LIKE OUR OWN.

未分类题【T13】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 RISE.YET PLEASURE AT YOUR OWN CAN VANISH IF YOU LEARN THAT A COLLEAGUE HAS BEEN GIVEN A BIGGER ONE.INDEED, IF HE HAS A REPUTATION FOR SLACKING, YOU MIGHT EVEN BE OUTRAGED.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 CUTE.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 CAPUCHIN.此题为多项选择题。

未分类题【T14】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 RISE.YET PLEASURE AT YOUR OWN CAN VANISH IF YOU LEARN THAT A COLLEAGUE HAS BEEN GIVEN A BIGGER ONE.INDEED, IF HE HAS A REPUTATION FOR SLACKING, YOU MIGHT EVEN BE OUTRAGED.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 CUTE.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 CAPUCHIN.此题为多项选择题。

未分类题【T16】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 RISE.YET PLEASURE AT YOUR OWN CAN VANISH IF YOU LEARN THAT A COLLEAGUE HAS BEEN GIVEN A BIGGER ONE.INDEED, IF HE HAS A REPUTATION FOR SLACKING, YOU MIGHT EVEN BE OUTRAGED.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 CUTE.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 CAPUCHIN.此题为多项选择题。

未分类题【T20】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 RISE.YET PLEASURE AT YOUR OWN CAN VANISH IF YOU LEARN THAT A COLLEAGUE HAS BEEN GIVEN A BIGGER ONE.INDEED, IF HE HAS A REPUTATION FOR SLACKING, YOU MIGHT EVEN BE OUTRAGED.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 CUTE.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 CAPUCHIN.