It is the author's view that in human civilization agriculture______.
A: is the most important step man has ever made
B: is only less important than the discovery of fire
C: had long been practiced since 3000 B. C.
D: can be ranked in importance with the invention of machines
A: is the most important step man has ever made
B: is only less important than the discovery of fire
C: had long been practiced since 3000 B. C.
D: can be ranked in importance with the invention of machines
举一反三
- It is the author's view that in human civilization, agriculture ______. A: is the most important step man has ever made B: is only less important than the domestication of animals C: and fire are of the same importance D: can be ranked in importance with the invention of machines
- ICs have been regarded as the most important invention in the Information Age for a long time.
- Questions 7 to 10 are based on the following conversation. How long has it been since the man played basketball A: Less than 25 years. B: B. Less than 5 years. C: More than 5 years. D: More than 25 years.
- 智慧职教: _____ that they had made an important discovery in science.
- The stone chip is thought to be the most important tool because it ______. A: was one of the first tools B: developed human capabilities C: led to the invention of machines D: was crucial to the development of mankind