Among the early Greeks, Aristotle was the first to watch living things and to try to【S1】______them to attempt to find out how li

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问题     Among the early Greeks, Aristotle was the first to watch living things and to try to【S1】______them to attempt to find out how life begins, and to write down his【S2】______.
    His methods of work with the catfish are typical of his【S3】______. He spent hour after hour in a small boat off the coast of Lesbos on the Aegean Sea leaning far out over the clear, shallow water, looking down at a catfish that was laying its eggs among the reeds (芦苇). As he watched, he held his boat steady with a strong pole so that it would not【S4】______away. Later he made a record of what he had seen:
    "The catfish【S5】______its eggs in shallow water, generally close to roots or close to reeds. The eggs are sticky and adhere to the roots.
    "The female catfish, having laid her eggs, goes away. The male stays on, and watches over the eggs, keeping off all other little fishes that might steal the fish or fry (鱼苗). He thus continues for forty or fifty days, till the young are【S6】______grown to escape from the other fishes themselves."
    After he had watched the breeding habits of the catfish for a long time, Aristotle began to study other things about fish.
    Modern scientists might think that Aristotle worked under great【S7】______ He had no books to consult, for no books on natural history had been written. He had no scientific training, no scientific instruments, no【S8】______with whom he could discuss his findings. What he did have was【S9】______energy and enthusiasm and a love of living things. Sometimes when he wrote of his observations he drew diagrams to make his meaning clear —the first such diagrams in scientific writing. He【S10】______to them often in his writings; but unfortunately these diagrams have been lost.

A) float               B) subordinate         C) inexhaustible       D) observations
E) deposits            F) attributes          G) sufficiently        H) compensations
I) disadvantages       J)exclusively          K) classify            L) precautions
M) colleagues          N) procedures          O) refers
【S10】

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答案O

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