Thus the wheel and the axle came into being, and with them the first carts were invented.This passage says that the first wheel may have been a ___. A.heavy logB.piece of metalC.piece of log 相关知识点: 试题来源: 解析 C [详细解答] 这个题需要分析,从第三段可知,首先当时的车轮没有...
It must have taken a great prehistoric thinker to imagine two thin slices of log connected at their centers by a strong stick. This would roll along just as the logs did, yet be much lighter and easier to handle. Thus the wheel and axle came into being, and with them the first carts...
The wheel alone, without any further innovation, would not have done much for mankind. Rather, it was the combination of the wheel and axle that made early forms of transportation possible, including carts and chariots. The Bronocice pot, a piece of pottery discovered in Poland and dating to...
It must have taken a great prehistoric thinker to imagine two thin slices of log connected, at their centers by a string stick. This would roll along just 9 the logs did, yet be much lighter and easier 10 (handle). Thus the wheel and axle came into being and with them the first car...
thus the wheel and axle came into being and with them the first carts. 免费查看参考答案及解析 题目: [单选题] she is the girl___invention got the first prize in the school competition . a.who b.that c.which d.whose 免费查看参考答案及解析 题目: [单选题] a) description b...
It must have taken a great thinker some time in ancient times to imagine two thin pieces of log connected at their centers by a strong stick. This would roll along just as the logs did yet be much lighter and easier to move by hand .Thus the wheel and axle(轮轴)were invented ,and ...
It must have taken a great prehistoric thinker a long time to imagine two thin pieces of log collected at their centers by a strong stick. This would roll along just as the logs did, yet it would be much lighter and easier to handle. Thus the wheel and the axle came into being, and...
However, the logs themselves weighed a lot.It must have taken a great prehistoric thinker to imagine two thin slices of log connected, at their centers by a string stick. This would roll along just as the logs did, yet be much lighter and easier to handle. Thus the wheel and ax...
placed a wheel on an axle(轴),mankind began to 24 from one place to another.Records of this 25 of wheel have been found dating back to 2,000 B.C.and earlier Chinese civilization(文明)are believed with separate invention of the same kind.The wheel so fascinated(迷住)the 26 of man ...
It must have taken a great prehistoric thinker to imagine two thin slices of log connected, at their centers by a string stick. This would roll along just the logs did, yet be much lighter and easier(handle). Thus the wheel and axle came into being and with them the first carts....