Volunteers on ice rinks in the Alps had their heart rates, oxygen intake and skating speeds measured while they skated with the replica skates. From this experiment, re-searchers were able to calculate energy consumption and the efficiency of their skating. They discovered that skating over the land in ancient Fin-land would have saved 10 percent of people’s energy. The result is based on the fact that Finland has the highest concentration of lakes in the world. The ancient Finnish people could benefit more than others from developing this tool for transport.
In a time and environment in which the balance between energy taken from food and energy required to live was crucial; the least cost of energy might have helped humans survive in extreme conditions.
45. The first ice skate invented by the Finns was used for _____.
A. recreation
B. transportation across lakes
C. saving energy
D. sport
46. The birthplace of skating might be southern Finland because _____.
A. there are many icy lakes there
B. people need more oxygen to breathe in there
C. people feel tired easily there
D. transportation there is more difficult
47. Scientists have experimented with replica skates and found that with those skates the ancient Finnish people would have _____.
【2017高考英语三轮冲刺阅读强化训练29】相关文章:
★ 辽宁省辽阳市2014高考英语单项选择一轮(暑假)训练(2)附答案
★ 河南省三门峡市2014高考英语一轮(暑假)基础训练(12)附答案
★ 2017高考四川省广安市英语阅读理解一轮系列训练:27(含解析)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (59)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (2)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (41)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21