A．Geoffrey Chaucer
B．Martin Luther
C．William Langland
D．John Gower

A．The Sun Also Rises
B．A Farewell to Arms
C．The Old Man and the Sea
D．For Whom the Bell Tolls

A．1990
B．1995
C．1998
D．2000

A．describing how the principles of classical chemistry were developed
B．initiating a debate about the kinds of chemical reaction required for the development of life
C．explaining how current research in chemistry may be related to broader biological concerns
D．clarifying inherent ambiguities in the laws of classical chemistry

A．Molecules of interstellar formaldehyde can evolve into complex organic molecules.
B．Interstellar formaldehyde can be synthesized by tunneling.
C．Cosmic rays can directly synthesize complex organic molecules.
D．The galactic clouds are the places where prebiological evolution of compounds necessary to life occurre

A．neutral
B．skeptical
C．mildly positive
D．very supportive

A．3) meanA. Technology is losing its traditional practicality.B. Technology is moving further away from science.C. Technological progress is benefiting the whole world.D. Technology is threatening the existence of human civilization.

A．In both, reacting molecules have to rise over the barrier between the two wells.
B．In both types of reactions, a transition is made from the bottom of one potential well to the bottom of another.
C．In both types of reactions, reacting molecules are able to go through the barrier between the two wells.
D．In neither type of reaction does the rate of a chemical reaction depend on its activation energy.

A．absolute enthusiasm
B．total indifference
C．obvious resentment
D．reserved approval

A．Scientific activities are deeply involved with those of technology.
B．Industrial civilization is largely based on the scientific progress.
C．Science and technology move forward at a comparable speed.
D．Either of science and technology is necessary for the advance of each other.