题目内容
（请给出正确答案）
Fifty years ago, wealthy people liked hunting wild animals for fun ____________ sightseeing.
A) rather than to go B) more than going C) other than going D) than to go
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Even more interesting is the possibility that life on their planets may be in a more advanced stage of evolution. Present-day man is in a peculiar and probably temporary stage. His individual units retain a strong sense of personality. They are, in fact, still capable under favorable circumstances of leading individual lives. But man's societies are already sufficiently developed to have enormously more power and effectiveness
than the individuals have.
It is not likely that this transitional situation will continue very long on the evolutionary time scale. Fifty thousand year's from now man's societies may have become so close-knit that the individuals retain no sense of separate personality. Then little distinction will remain between the organic parts of the multiple organism and the inorganic parts (machines) that have been constructed by it. A million years further on man and his machines may have merged as closely as the muscles of the human body and nerve cells that set them in motion.
The explorers of space should be prepared for some' such situation. If they arrive on a foreign planet that has reached an advanced stage (and this is by no means impossible), they may find it being inhabited by a single large organism composed of many closely cooperating units.
The units may be "secondary"-machines created millions of years ago by a previous form. of life and given the will and ability to survive and reproduce. They may be built entirely of metals and other durable materials. If this is the case, they may be much more tolerant of their environment, multiplying under conditions that would destroy immediately any organism made of carbon compounds and dependent on the familiar car bon cycle.
Such creatures might be relics of a past age, many millions of years ago, when their planet was favorable to the origin of life, or they might be immigrants from a favored planet.
Humans on Earth today are characterized by______.
A．their existence as free and separate beings
B．their capability of living under favorable conditions
C．their great power and effectiveness
D．their strong desire for living in a close-knit society
A.roughly
B.decidedly
C.appropriately
D.properly
A.went
B.has gone
C.go
D.will go
tes.
A.touch
B.track
C.search
D.line
翻译Years ago, zoos kept all kinds of animals in small cages.
A. 多年以前，动物园把各种动物都关在小笼子里。
B. 几年前，动物园保留所有动物在大笼子里。
C. 多年以前，动物园给所有看管动物的人发很少的工资。
A、attached
B、attacked
C、attracted
D、attachment
A.late
B.never
C.since
D.hardly
