【单选题】下列属于自然科学教育的起源阶段的特点的是?
【简答题】1995年,皮克斯公司制作出第一部完全用电脑技术制成的3D动画长片--____,使动画行业焕发出新的活力。
【单选题】The purpose for the author to write this article seems to______.
A.
encourage the old people to enrich their later life
B.
attract more venture capitals for the projects schemed by the old
C.
reverse a culture obsessed with youth while neglecting the old
D.
ease the widespread concern over aging process in Western countries
【单选题】What is the purpose for the speech?
A.
Discuss the visiting course.
B.
Sell the tickets of the zoo.
【简答题】What is the purpose for the speech? [ A] Discuss the visiting course. [B] Sell the tickets of the zoo. [C] Introduce the park.
【单选题】为防止系统故障造成文件被破坏,通常可采用( )方法来保护。
【单选题】下列属于自然科学教育的起源阶段的特点的是?