In the third paragraph, a crow is mentioned as an example to show______.
A: crows are cleverer than chimpanzees
B: crows have a certain amount of intelligence
C: non-primates are as intelligent as primates
D: non-primates are able to use tools
A: crows are cleverer than chimpanzees
B: crows have a certain amount of intelligence
C: non-primates are as intelligent as primates
D: non-primates are able to use tools
举一反三
- Scientists concluded from the experiment with chimpanzees and chocolate chips that chimpanzees ______. A: lack abilities that other primates have B: prefer to work in pairs or groups C: exhibit behavior that indicates certain mathematic ability D: have difficulty selecting when given choices
- Bats are classified in order ( ). A: Chiroptera B: Insectivora C: Primates D: Cetacea E: Lagomorpha
- Primarily grazing animals with hooves are called ( ). A: primates B: ungulates C: carnivores D: cetaceans E: rodents
- The writer says that primates show little hostility ______. A: towards soldiers and other human beings B: except towards animals such as lions, leopards, tigers or wild cats C: unless their own particular area is invaded D: towards other groups of the same species of monkey or ape
- The larger cranial capacity seen in human crania, relative to those of other primates, is achieved, in part, by a vertical expansion and lengthening of what cranial bone? A: Zygomatic B: Maxilla C: Frontal D: Temporal