作业帮 > 英语 > 作业

英语好的进阅读理解填词:根据短文内容,填写正确的单词,使短文意思完整. Man's first real inventi

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/11/08 15:35:58
英语好的进
阅读理解填词:根据短文内容,填写正确的单词,使短文意思完整.
Man's first real invention,and one of the most important inventions,was the wheel.All transportation and every machine in the world (n ) it.
The wheel is the (s ),but perhaps the greatest of all inventions,because if there were no wheela in the world, no living thing was ever created with the wheels.How did man invent the wheel?
perhaps some early hunter (f ) that they could roll the (d ) body of a heavy animal (t ) the forest on logs more (e ) than they could (c ) it.But the logs (t ) were quite heavy.
It must hanve taken a great thinker much time to think of two thin pieces of logs connected at their (c ) by a strong stick. this would roll along just as the logs did, and this would be much (l ) and easier to handle. so the wheel and axle were invented.
Man's first real invention,and one of the most important inventions,was the wheel.All transportation and every machine in the world (need ) it.
The wheel is the (simplest ),but perhaps the greatest of all inventions,because if there were no wheela in the world,no living thing was ever created with the wheels.How did man invent the wheel?
perhaps some early hunter (found ) that they could roll the (dead ) body of a heavy animal (to ) the forest on logs more (efficiently ) than they could (carry ) it.But the logs (themselves ) were quite heavy.
It must hanve taken a great thinker much time to think of two thin pieces of logs connected at their (center ) by a strong stick.this would roll along just as the logs did,and this would be much (lighter ) and easier to handle.so the wheel and axle were invented.