首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
专升本
Man’s first roan invention, and one of the most important inventions in history, was the wheel. All transportation and every mac
Man’s first roan invention, and one of the most important inventions in history, was the wheel. All transportation and every mac
admin
2011-03-26
38
问题
Man’s first roan 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 an] 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 carry it. 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 axle came into being and with them the first cart.
This selection says that the first wheel may have been a ______ .
选项
A、round piece of stone
B、heavy log
C、piece of metal
D、slice of log
答案
D
解析
转载请注明原文地址:https://jikaoti.com/ti/0Z4GFFFM
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
江南,秋当然也是有的;但草木凋得慢,空气来得润,天的颜色显得淡,并且又时常多雨而少风;一个人夹在苏州上海杭州,或厦门香港广州的市民中间,浑浑沌沌地过去,只能感到一点点清凉,秋的味,秋的色,秋的意境与姿态,总看不饱,尝不透,赏玩不到十足。秋并不是名花,也并不
Theywrite,inshort,withthedesiretopersuade.
Thepriceofaluminumwassharplyreducedwhenpeoplediscoveredanewrefiningprocesswiththeaidof______.Whichofthefo
ItisgoingbesometimebeforeIcanrecovermyfull______(strong).
WhatwasE.B.White?Whatwastheauthor’spurposeforwritingchildren’sbooks?
Please______thatshopoverthereandIwillgoinandaskfordirections.
EversincePicasso’spaintingwentonexhibit,there______largecrowdsatthemuseumeveryday.
Jimknowslittleofmathematics,______ofchemistry.
WallStreetis______.Theunderlinedword"mean"inthesecondparagraphprobablycanbereplacedby______.
IneverexpectedJohnto______atthemeeting,becauseIthoughthewasstillinhospital.
随机试题
下列哪些情况警惕胎盘早剥
画家吴某因要自费办画展,向朋友肖某借了5万元,并将自己的两幅代表画作质给肖某,并要肖好好保管别示于人,还钱时同时还两幅画,肖某对吴某的画享有哪些权利?
我国某法院审理了涉外诉讼案件,需要从甲国调取某些证据。甲国是《关于从国外调取民事或商事证据的公约》的缔约国。依该公约,下列哪些选项是正确的?()
租赁土地使用权作为国有土地使用权的一种,其主体为一般主体。除法律、法规规定的其他用地外,主要包括()。
在各国政府的()中,按照政府职能分别列项是通行做法,因为这种分类方法可以直观地表明财政支出和政府职能的关系,使得政府职能明确,便于公众监督。
下列表述中,正确的是()。
下面描述正确的是______。
阅读以下说明和C函数,填充函数中的空缺,将解答填入答题纸的对应栏内。【说明】函数Insert_key(*root,key)的功能是将键值key插入到*root指向根结点的二叉查找树中(二叉查找树为空时*root为空指针)。若给定的二叉查
Intheopeningparagraph,theauthorintroduceshistopicby______.Whatdoestheauthorsayaboutconsumereducation?
A、Oneofhiscousinsisgettingmarried.B、Thefinalexamsarecoming.C、Hehasn’tdecidedwhattobuyforhiscousin.D、Hehas
最新回复
(
0
)