英语阅读求证答案（有错误请指出）～第九篇Man’sfirstrealinvention,andoneofthemostimportantinventionsinhistory,wasthewheel.Alltransportationandeverymachineintheworlddependonit.Thewheelisthesimplestyetpe

Question

英语阅读求证答案（有错误请指出）～
第九篇
Man’s first real invention,and one of the most important inventions in history,was the wheel.
All transportation and every machine in the world depend on it.
The wheel is the simplest yet perhaps the most remarkable of all inventions,because there are no wheels in nature — no living thing was ever created with wheels.How,then,did man come to invent the wheel?
Perhaps some early hunters found that they could roll the carcass of a heavy animal through the forest on logs more easily than they could carry it.However,the logs themselves weighted a lot.
It must have taken a great prehistoric thinker a long time to imagine two thin slices of log connected at their centers by a strong stick.Thus the wheel and axle came into being,and with them the first carts.
41.The wheel is important because ( A )
A.it was man’s first real invention B.all transportation depends on it
C.every machine depends on it D.it is useful
42.It was remarkable of man to invent the wheel because ( D )
A.it led to many other inventions B.man have no use for it then
C.there were no wheels in nature D.it is the most important part of a car
43.The wheel was probably invented by the first man on earth ( A )
A.a group of early hunters B.the first man on earth
C.a great prehistoric thinker D.the man who made the first cart
44.This selection says that the first wheel may have been a ( D )
A.round piece of stone B.heavy stone C.piece of metal D.slice of log
45.The idea for it may have come from( B )
A.chasing an animal B.rolling a carcass on logs
C.watching a roll stone D.watching running animals

Answer 1

41：D
42：C
43：A
44：D
45：B