2. To help explain ideas or clarify an abstraction

关于抽象（Abstraction），下列说法正确的是（ ）

To avoid abstraction, you need to use the familiar to explain the unfamiliar.

2. To help explain ideas or clarify an abstraction A: 正确 B: 错误

He is an ______ artist. A: abstract B: abstraction C: abstractly D: abstractedly

n. 激素，荷尔蒙 A: farm B: hormone C: abstraction D: attendant

Video abstraction is the process of creating a presentation of __________ about a landscape or the structure of video, which should be much __________ than the original video.

Concept which reflects the objective world in the human mind is the result of human ______ . A: acquisition B: recognition C: cognition D: abstraction

Which of the following does not belong to lexical accommodation? A: addition and omission B: openness and closeness C: affirmation and negation D: abstraction and concretion

Although reference is a kind of abstraction, yet with the help of _______, it can refer to something specific. A: concept B: sense C: motivation D: context