Paper was invented by the Chinese in the first century AD.Pa..

第1题

Paper was invented by the Chinese in the first century AD.Paper was not made in southern Europe until about the year 1100. Scandinavia——which now makes a great deal of the world’s paper——did not begin to make it until 1500. Most paper is made from wood. Paper-making is an important industry and paper from Britain is sold to many countries such as Australia and South Africa.Some of the wood used in the British paper making industry comes from trees grown in Britain,but wood is also bought from other countries such as Norway.One tree is needed for every four hundred copies of a forty-page newspaper.If half the adults in Britain buy one daily paper,this uses up over a thousand trees a day.All over the world,trees are world, trees are being cut down faster than they are being planted, so there may be a serious need for paper at the beginning of next century . When we think of paper, we think of newspaper, books, letters and writing paper.But there are many other uses.Only half of paper is used for books,and newspaper,etc. Paper is very good for keeping you warm.Each year,more and more things are made of paper. But the latest in paper making seems to be paper houses. Wher was paper invented？ A. In China

B. In southern Europe

C. In Scandinavia

D. In Britain

Scandinavia began to make paper__________.A.in 1100

B.in 1400

C.in 1500

D.in the first century

Every four hundred copies of a forty-paper newspaper will need _____________.A.half a tree

B.one tree

C.two trees

D.more than one tree

All over the world, trees are being cut down___________than they are being plantedA.more slowly

B.much faster

C.much more slowly

D.faster

The latest things made of paper are___________.A.chairs

B.tables

C.clothes

D.houses

点击查看答案

第2题

If you asked people what the most important invention has been,many would say the printing press. Others _1_ say the wheel.But even though it’s_2_whether the appearance of the printing press affected the course of history more than the wheel，the printing press _3_ within the top two or three inventions in history. _4_ the telephone, the television,the radio, and the computer,the written word was the only way to _5_ ideas to people too far away to talk with.Until the 6th or 7th century,all books had to be written _6_.Creating a book was difficult，and very few existed.Therefore，very few people read books.

In the 6th and 7th centuries, the Chinese invented a way to print pages by _7_ characters and pictures on wooden，ivory，or clay blocks.They would print a page from the block by putting _8_ on the block and pressing paper onto the ink.This _9_ is called letterpress printing.The invention of letterpress printing was a great advance in communication _10_ each block could be inked many times and many copies of each page could be made.Many books could now be made.Therefore，many people could read the same book.

1.A.might B.ought to C.had to D.should

2.A.variable B.agreeable C.reliable D.debatable

3.A.lists B.ranges C.ranks D.covers

4.A.Now that B.No longer C.Long before D.Since then

5.A.invent B.communicate C.generalize D.motivate

6.A.by hand B.at heart C.on foot D.in mind

7.A.drawing B.painting C.writing D.carving

8.A.chalk B.oil C.ink D.crystal

9.A.definition B.action C.movement D.process

10.A.when B.because C.although D.if

点击查看答案

第3题

根据以下内容回答题：

If you asked people what the most important invention has been，manv would say the printing press．Others(1)say the wheel．But even though it's(2)whether the appear- ance of the printing press affected the course of history more than the wheel，the printing press(3)within the top two or three inventions in history．

(4)the telephone，the television，the radi0，and the computer，the written word was the only way to(5)ideas to people too far away to talk with．Until the 6th or 7th century．all books had to be written(6)．Creating a book was difficult，and very few existed．Therefore，very few people read books．

In the 6th and 7th centuries，the Chinese invented a way to print pages by(7)characters and pictures on wooden，ivory，or clay blocks．They would print a page from the block by putting(8)on the block and pressing paper onto the ink．This(9)is called letterpress printing．The invention of letterpress printing was a great advance in communication(10)each block could be inked many times and many copies of each page could be made．Many books could now be made．Therefore，many people could read the same book．

请回答（1）题查看材料

A.might

B.ought to

C.had to

D.should

点击查看答案

第4题

Before the microscope was invented, no one knew that a person would transmit a disease to someone else through “invisible” germs.

A、to pass along

B、to check

C、to lose

D、to keep

点击查看答案

第5题

营养必须氨基酸名词解释

点击查看答案

第6题

()构建的竞争性动态均衡模型,把技术进步看作是经济的内生变量和知识机累的结果,运用知识外溢效应解释了报酬递增现象。

A.保罗罗默

B.杰里米边沁

C.阿瑟庇古

D.阿尔弗言德马歌尔

点击查看答案

功能	扣减规则
功能	基础费（查看答案）	加收费（AI功能）
文字搜题、查看答案	1/每题	0/每次
语音搜题、查看答案	1/每题	2/每次
单题拍照识别、查看答案	1/每题	2/每次
整页拍照识别、查看答案	1/每题	5/每次