Question

18．What do you think is the most important invention？The TV？The printing？The telephone？Or the computer？A report show that they are not the only important invention．Here are three other important inventions．
One of the simplest inventions is the toilet（廁所）．Before toilets，waste ran into rivers from people's houses．Illness were common in big cities，and it was often difficult to find clean drinking water．
Animal food is another important invention．Before the invention，most animals were killed every autumn because there was not enough food for them in winter．After hay（干草） became a kind of common animal food，animals could live through the long winter．
The third great invention is glasses．Glasses help people read，write and do"close work"after the age of 45．Without glasses，the world would be difficult for the people above 45．

（71）Inventions
Some most important inventions	There other simple inventions	Before the inventions
The TV The （72）printing The telephone[ The computer	The toilet Hay/Animal food （73）Glasses	Waste ran into rivers from people's houses． Illness were common in （74）big cities，and it was often difficult to find clean drinking water． Most animals were killed every autumn because there was not （75）enough food for them in winter． The world would be difficult for the people above 45．

Answer 1

分析 文章大意：這是一篇說明文，短文講述世界上最重要的發(fā)明是什么？電視，印刷機(jī)，電話還是電腦？一個(gè)報(bào)道證明這些都不是唯一重要的發(fā)明．廁所、動(dòng)物的食物和眼鏡這三種也是很重要的發(fā)明．

解答 71．答案：Inventions．細(xì)節(jié)理解題．What do you think is the most important invention？你認(rèn)為最重要的發(fā)明是什么？可知，全文上下圍繞inventions展開，應(yīng)用復(fù)數(shù)，所以填寫Inventions發(fā)明．
72．答案：printing．細(xì)節(jié)理解題．根據(jù)第一段The TV？The printing？The telephone？Or the computer？電視？印刷機(jī)？電話？還是電腦？．可知該填寫printing印刷機(jī)．
73．答案：Glasses．細(xì)節(jié)理解題．根據(jù)短文第一段最后一句話以及全文上下可知the toilet、Animal food、glasses是并列的，所以填寫Glasses眼睛．
74．答案：big cities．細(xì)節(jié)理解題．根據(jù)第二段Illness were common in big cities，and it was often difficult to find clean drinking water疾病在大城市很常見，經(jīng)常很難找到干凈的飲用水．可知，應(yīng)該填big cities大城市．
75．答案：enough food．細(xì)節(jié)理解題．根據(jù)第三段most animals were killed every autumn because there was not enough food for them in winter大多數(shù)動(dòng)物每年秋天都會(huì)被殺死，因?yàn)槎�天沒有足夠的食物供他們食用．可知答案是enough food足夠的食物．

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