What principles most influenced scientitic thought for two thousand years、
A.the speculations of Thales.
B.the forces of electricity,magnetism,and gravity.
C.Aristotle′s natural science.
D.Galileo′s discoveries
试卷相关题目
- 1The aim of controlled scientific experiments is _____
A.to explain why things happen.
B.to explain how things happen.
C.to describe selfevident principles.
D.to support Aristotelian scienc
开始考试点击查看答案 - 2Which of the following is true、
A.Green Revolution did not end until 1972.
B.The shortage of chemical fertilizers was caused by the short supply of petroleum.
C.Every ton of petroleumbased fertilizers can help increase ten tons of crop yields.
D.By the year of 2025,one million children will die of hunger each month in the world.
开始考试点击查看答案 - 3It is expected that crop yields will drop,especially in underdeveloped countries,mainly because of
A.disastrous weather.
B.weak strains.
C.finance shortages.
D.revolutions.
开始考试点击查看答案 - 4Each year,the world′s food reserves reduce by
A.10 million tons.
B.20 million tons.
C.30 million tons.
D.40 million tons.
开始考试点击查看答案 - 5The term“Green Revolution”refers to
A.the political situation in Greenland
B.the increased use of scientific methods in agriculture.
C.the upheavals in the underdeveloped nations.
D.the crop shortages experienced in 1972.
开始考试点击查看答案 - 6Bertrand Russell′s notion about electricity is _____ .
A.disapproved of by most modern scientists.
B.in agreement with Aristotle′s theory of selfevident principles.
C.in agreement with scientific investigation directed toward“how”things happen.
D.in agreement with sientific investigation directed toward “why” things happen.
开始考试点击查看答案 - 7The passage says that until recently scientists disagreed with the idea _____ .
A.that there are mysterious forces in the universe.
B.that man cannot discover what forces“really” are.
C.that there are selfevident principles.
D.that we can discover why things behave as they do.
开始考试点击查看答案 - 8In sentense 2,“speculated on”(line 4)means
A.suspected
B.expected
C.engaged in buying and selling
D.considered
开始考试点击查看答案 - 9The worst hazard for spacemen is
A.meteors.
B.heat.
C.radiation.
D.gas.
开始考试点击查看答案 - 10Scientists have fixed a safety level of
A.10 rems per year.
B.60 rems per year.
C.100 millirems per year.
D.5 rems per hour.
开始考试点击查看答案
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