100个句子记完1000个单词（7）

49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
    父母的教导如果坚【jiān】定，始终【zhōng】如【rú】一和理性【xìng】，孩子就有【yǒu】可能【néng】充满自信。

50. The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy.
    北美远古的Hopewell人很可能种【zhǒng】植了玉【yù】米【mǐ】和其他农作物，但打【dǎ】猎和采集对他们的经济贸易【yì】仍【réng】是至【zhì】关【guān】重要的。

51. Using many symbols makes it possible to put a large amount of inFORMation on a single map.
    使【shǐ】用多种多样的【de】符号可以在一张地图【tú】里【lǐ】放进大量的【de】信息。
　　
52. Anarchism is a term describing a cluster of doctrines and attitudes whose principal uniting feature is the belief that government is both harmful and unnecessary.
    无go-vern-ment主义这【zhè】个词【cí】描述的是一堆理论和【hé】态度【dù】，它们【men】的主要【yào】共同点在于相【xiàng】信go-vern-ment是有害的，没有必要的。
　　
53. Probably no man had more effect on the daily lives of most people in the Untied States than did Henry Ford a pioneer in automobile production.
    恐怕没有谁【shuí】对大多数美国人【rén】的【de】日常生活影响能超过汽【qì】车生产的先驱亨【hēng】利【lì】.福特。
　　
54. The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.
    使用精心挑选【xuǎn】的无意【yì】义词【cí】汇，可以检【jiǎn】验语言学科里许多基本的假定。
　　
55. The history of painting is a fascinating chain of events that probably began with the very first pictures ever made.
    优化历【lì】史是由一连串的迷人事件组【zǔ】成，其源头【tóu】大概可以【yǐ】上【shàng】溯到最早的【de】图画。
　　
56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually.
    相互【hù】般配的珍【zhēn】珠，串成一条项链，就【jiù】能卖到【dào】比单独售出好【hǎo】得多【duō】的价钱。