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三、语言运用( 共 20 小题;每小题 1 分,计 20 分)
A.阅读下面短文,根据短文内容从方框中选出恰当的单词或短语填空,使语意通顺完整。第一个方框供 41—45 小题选用,第二个方框供 46—50 小题选用。每个选项只能使用一次,每框有一项剩余。
A. seasons B. turn into C. change D. caught E. trouble F. warmth
Before our ancestors used fire, they lived in a dark, cold and scary world. But once they could make fire, things began to ___41___. Fire helped our ancestors ___42___ modern humans. Why is fire so important?
First, fire gave humans ___43___. Once they had fires to keep them warm at night and in cool ___44___, our ancestors began to stop wearing heavy fur( 毛皮). This meant they could run after animals for a much longer time without overheating, so they ___45___ more animals.
A. noticed B. cook C. our D. less E. their F. slowly
Another use for fire was to make better tools. When early humans put rocks into a fire, ___46___ color changed. These rocks could be made into sharper( 更锋利的) tools. Later, tool makers ___47___ that when some kinds of rocks were put into a fire, liquid( 液 态的) metal came out. With that discovery, metal tools ___48___ took the place of stones.
With fire, early humans were able to ___49___ their food for the first time. Some experts believe that cooked food helped modern humans develop larger brains. Because cooked food is easier to digest( 消 化), the body can spend ___50___ energy digesting and has more energy to run a larger brain.
41.
46.
A.阅读下面短文,根据短文内容从方框中选出恰当的单词或短语填空,使语意通顺完整。第一个方框供 41—45 小题选用,第二个方框供 46—50 小题选用。每个选项只能使用一次,每框有一项剩余。
A. seasons B. turn into C. change D. caught E. trouble F. warmth
Before our ancestors used fire, they lived in a dark, cold and scary world. But once they could make fire, things began to ___41___. Fire helped our ancestors ___42___ modern humans. Why is fire so important?
First, fire gave humans ___43___. Once they had fires to keep them warm at night and in cool ___44___, our ancestors began to stop wearing heavy fur( 毛皮). This meant they could run after animals for a much longer time without overheating, so they ___45___ more animals.
A. noticed B. cook C. our D. less E. their F. slowly
Another use for fire was to make better tools. When early humans put rocks into a fire, ___46___ color changed. These rocks could be made into sharper( 更锋利的) tools. Later, tool makers ___47___ that when some kinds of rocks were put into a fire, liquid( 液 态的) metal came out. With that discovery, metal tools ___48___ took the place of stones.
With fire, early humans were able to ___49___ their food for the first time. Some experts believe that cooked food helped modern humans develop larger brains. Because cooked food is easier to digest( 消 化), the body can spend ___50___ energy digesting and has more energy to run a larger brain.
41.
C
42.B
43.F
44.A
45.D
46.
E
47.A
48.F
49.B
50.D
答案
41.C 42.B 43.F 44.A 45.D 46.E 47.A 48.F 49.B 50.D
