100个句子记完1000个单词（3）

17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.
    人类学是【shì】一门科学，因为【wéi】人类学家采用一整套强有力的方法和技术来记【jì】录【lù】观【guān】测【cè】结果，而这【zhè】样记录下来的【de】观测结果是【shì】供【gòng】他人核查的。

18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris.
     真菌【jun1】在腐化【huà】过程中十分重要，而【ér】腐化过程将化【huà】学物质【zhì】回馈于土壤，提高其【qí】肥力，并分解动物粪便【biàn】。

19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.
    音【yīn】叉被【bèi】敲击【jī】时，产生几乎纯质的音调，其音量经【jīng】久不【bú】衰。

20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois.
    虽然【rán】美【měi】洲山河桃树【shù】最【zuì】集中于美国的【de】东【dōng】南部但是在【zài】北至俄亥俄州及伊利诺州也能【néng】看见它们。

21. Eliminating problems by transferring the blame to others is often called scape-goating.
    用【yòng】怪罪【zuì】别【bié】人的办法来解决问题通常被称为寻找替罪【zuì】羊【yáng】。

22. The chief foods eaten in any country depend largely on what grows best in its climate and soil.
    一个【gè】国家的主【zhǔ】要食物是什么，大体取决于什么【me】作【zuò】物在其天气和土壤条【tiáo】件下【xià】生长得【dé】最好。

23. Over a very large number of trials, the probability of an event’s occurring is equal to the probability that it will not occur.
    在大量【liàng】的实验中，某【mǒu】一事件【jiàn】发生的几率等【děng】于它不发生的几率【lǜ】。

24. Most substance contract when they freeze so that the density of a substance’s solid is higher than the density of its liquid.
    大多数物质遇【yù】冷收缩【suō】，所【suǒ】以【yǐ】他们的密度在固态时高于液态。