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| 文章出处：学生大考试站 发布时间：2005-10-12 |
p;oyster’s life?
A Debris
B Egg
C Larvae
D Spat
33. According to the passage, which of the following words best describes t he efforts of the
marine biologists working with oysters?
A Persistent.
B Intermittent.
C Traditional.
D Fruitless.
34. In the passage, the author mentions that the new strains of oyster are______ .
A cheaper
B shaped differently
C better textured
D healthier
35. Which of the following best describes the organization of the passage?
A Step by step description of the evolution of marine biology.
B Discussion of chronological events concerning oyster production.
C Random presentation of facts about oysters.
D Description of oyster production at different geographic locations.
Passage 4
Chemistry did not emerge as a science until after the scientific revolution in t he seventeenth century and then only rather slowly and laboriously. But chemical knowledge is as old as history, being almost entirely concerned with the practical arts of living. Cooking is essentially a chemical process; so is the melting of metals and the administration of drugs and potions. This basic chemical know ledge, which was applied in most cases as a rule of thumb, was nevertheless dependent on previous experiment. It also served to stimulate a fundamental curiosity about the&n
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