[单项选择]It is a must to preface any discussion of atoms by paying homage to Democritus, an Ionian philosopher of the fifth century B. C., the earliest known proponent of an atomic theory. Though Democritus’ idea were in many ways strikingly modern and were promulgated (传播) by his more celebrated successor Epicurus, his theory never gained wide acceptance in Greek thought. It had largely been forgotten by the time of the late Renaissance rebirth of science. While the dramatic rise of the atomic theory over the last century and a half deems to have vindicated (证明……正确) Democritus, only the Greek name atom ("indivisible") remains to establish his claim as the father of the theory.
Nonetheless, Democritus’ thinking contained the seed of the idea that has dominated the twentieth-century physical thought. He was one of the first to perceive that nature on a sufficiently small scale might be qualitatively different in a striking way from the world of our ordinary experience. And he was the firs
A. His thinking dominated the twentieth-century physical thought.
B. He believed that nature was quantitatively different in a smaller level.
C. Everything is made up of a much subtler constituent.
D. Richness is underlied by simplicity.

[单项选择]It is a must to preface any discussion of atoms by paying homage to Democritus, an Ionian philosopher of the fifth century B. C., the earliest known proponent of an atomic theory. Though Democritus’ idea were in many ways strikingly modern and were promulgated (传播) by his more celebrated successor Epicurus, his theory never gained wide acceptance in Greek thought. It had largely been forgotten by the time of the late Renaissance rebirth of science. While the dramatic rise of the atomic theory over the last century and a half deems to have vindicated (证明……正确) Democritus, only the Greek name atom ("indivisible") remains to establish his claim as the father of the theory.
Nonetheless, Democritus’ thinking contained the seed of the idea that has dominated the twentieth-century physical thought. He was one of the first to perceive that nature on a sufficiently small scale might be qualitatively different in a striking way from the world of our ordinary experience. And he was the firs
A. Democritus is regarded as the first person who proposed the idea of atomic theory
B. Epicurus believed in Democritus’ theory
C. Democritus’ theory gained little acceptance in his times
D. most of Democritus’ theory has remained till today

[填空题]Any substance is made of atoms whether it is a solid, a liquid, or a gas.

[单项选择]
Any discussion of artificial intelligence, or A.I., must inevitably start with the question of what exactly intelligence is. Unfortunately, it is not an easy matter to decide. Intelligence is normally defined as the ability to recognize relationships and to build upon them. However, computers can often do that better than humans, yet they are not therefore considered more intelligent. Desires, goals, and preferences are also important, as is a sense of self- awareness, when we talk about what we mean by artificial intelligence. The scope and depth of a program’s coverage of all of these attributes determine which of the two main sorts of artificial intelligence it belongs to.
Weak A.I. is the main type of artificial intelligence that exists today. Weak A.I. programs do not attempt to mimic human consciousness or encapsulate the full range of human mental activity. Instead, they attempt to perform one particula
A. computers.
B. desires.
C. humans.
D. relationships.

[单项选择]Company staff must advise Personnel of any change of home address, to keep files up to date.A. All staff must update their company files regularly. B. Staff must keep Personnel informed if they move house. C. Staff must inform Personnel of any company which changes address.