027. Unlike cigarette tobacco, which yields an acid smoke, pipe tobacco, cured by age-old methods, yields an alkaline smoke too irritating to be drawn into the lungs.
=Unlike cigarette tobacco/, which yields an acid smoke/, pipe tobacco/, cured by age-old methods/, yields an alkaline smoke/ too irritating to be drawn into the lungs.
#和卷烟不同/，卷烟产生酸性的烟/，烟斗/用老方法烤的/产生碱性的烟/太刺激以至于不能吸入肺。
*这个句子是把卷烟和烟斗进行对比，用 Unlike 连接，比较容易理解。其中 too …to 句型需要注意，意思是太…以至于不能…，虽然是肯定形式却表达了否定的意思。
028. During the nineteenth century Emily Eden and Fanny Parks journeyed throughout India, sketching and keeping journals that formed the basis of news reports about the princely states they visited.
=During the nineteenth century/ Emily Eden and Fanny Parks/ journeyed throughout India/, sketching and keeping journals/ that formed the basis of news reports/ about the princely states they visited.
#在 19 世纪/ Emily Eden 和 Fanny Parks/游遍了印度(India)/，概述和记录游记/，它形成了新闻报道的基础/关于他们游览的贵族统治的国家。
*这个句子中有人名和地名，这类专有词汇认识就反映不认识过去，对理解句意没有影响。有些单词看似简单，实际需要仔细琢磨。比如：journal 这个词既有日记的意思也有游记的意思，而联系上下文我们发现还是游记的意思符合上下文，所以选择了这个意项。遇到多义词要联系上下文选择合适的意思。
029. School integration plans that involve busing between suburban and central-city areas have contributed, according to a recent study, to significant increases in housing integration, which, in turn, reduces any future need for busing.
=School integration plans/ that involve busing between suburban and central-city areas/ have contributed/, according to a recent study/, to significant increases in housing integration/, which, in turn/, reduces any future need for busing.
#学校合并计划/涉及到坐公共汽车从城郊到市中心/已经建立/根据 近的一个调查/，随着房屋合并的大量增加/，房屋合并，反过来/，减少了将来对于乘公共汽车的需要。
*这个句子比较难理解，因为一个意思没表达完又加入了另一个意思，也就是常说的插入。这就需要我们理清句子的主线，抓住句子的主要内容。
030. The commission acknowledged that neither vast amounts of money nor a large staff can ensure the safety of people who live in the vicinity of a nuclear plant, but it approved the installation because it believed that all reasonable precautions had been taken.
= The commission/ acknowledged/ that neither vast amounts of money nor a large staff/ can ensure the safety of people/ who live in the vicinity of a nuclear plant/, but it approved the installation/ because it believed/ that all reasonable precautions had been taken.
#委员会/知道/即使有大量的金钱和工作人员也不能/确保人民的安全/住在核工厂周围的/，但是委员会还是批准建立工厂/因为他们认为/所有合理的保护措施都已经采取了。
*这个句子比较长，但是条理很清楚。一个 but，蕴涵着强烈的讽刺意味，委员会明知道…还是…。理解好细节这个句子还是不难理解的，如：neither…nor… 表达两者都不…。
031. Sartre believed that each individual is responsible for choosing one course of action over another that it is the choice that gives value to the act, and that nothing that is not acted upon has value.
=Sartre believed/ that each individual/ is responsible for choosing one course of action over another/ that it is the choice/ that gives value to the act/,
and that nothing/ that is not acted upon/ has value.
# Sartre 认为/每一个人/都有责任选择一种行为过程/是这个选择/给予这个行动价值/，任何东西/没有被作用的/都没有价值。
*这个句子短小精悍，从句子分析中可以看出几乎每个词都要考虑。这个句子中一共
用了5个that，一环扣一环。而本句的难点则是nothing that is not acted upon has value，双重否定，要认真理解句子的意思。
032. Whereas owners of condominium apartments have free and clear title to their dwellings, owners of cooperative apartments have shares in a corporation that owns a building and leases apartments to them.
=Whereas owners of condominium apartments/ have free and clear title/ to their dwellings/, owners of cooperative apartments/ have shares/ in a corporation/ that owns a building and leases apartments to them.
#鉴于私有公寓的所有者/有自由清晰的所有权/对于他们的住所/，共有公寓的所有者/ 有股份/在公司里/公司拥有房子并出租房子给他们。
*这个句子不长也很容易理解，但要注意一些细节的把握，如：have title to…单词都认识，但放在一起意思就变了，这个短语的意思是：对…有所有权。我们要注意积累短语，俚语，以便更好的理解句子。