C．original

　　D．simple

　　解析　simple与前面的high相对，符合语境。

　　答案　D

　　27．A.morning

　　B．night

　　C．moment

　　D．season

　　解析　文章开头就暗示了故事发生的时间是晚上(night)。

　　答案　B

　　(B)

　　Throughout history man has had to accept the fact that all living things must die.But people now live longer than they used to.Yet，all living things still show the__28__of aging，which will eventually result in death.

　　Aging is not a disease，but as a person passes maturity(成熟期)，the cells of the body and the__29__they form do not function as well as they did in childhood and teenage years.The body provides less__30__against diseases and is more__31__to have accidents.

　　A number of related causes may__32__to aging.Some cells of the body have a fairly long life，but they are not__33__when they die.As a person ages，the number of brain cells and muscle cells decreases.Other body cells die and are replaced by new cells.In an aging person the new cells may not be as__34__or as capable of growth as those of a young person.

　　Aging may affect the__35__and change the informationcarrying molecules so that they do not transmit the information as well.

　　28．A.function

【2017届高考英语（重庆专用）二轮精练：选修8 unit3 Inventors and inventions单元测试】相关文章：

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修4 unit1《Women of achievement》

★ 【浙江专用】2014届高考英语一轮复习课时作业(四十)选修8Unit 5《Meeting your ancestors》

★ 2017届高考英语二轮复习课时训练：21（含解析）

★ 【三维设计】2017届高考英语（江苏专用）二轮复习阅读理解解题技法示范课件：3

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修6 unit4《Global warming》

★ 【三维设计】2017版（江苏专用）二轮复习练习：选修8 Unit 4《Films and film events》单元检测（含解析）

★ 【北京专用】2014届高考英语一轮复习方案课时作业：选修8 Unit 2 Cloning

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修6 unit5《The power of nature》

★ 【三维设计】2017版（江苏专用）二轮复习练习：必修4 Unit 1《Advertising》单元检测（含解析）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修8 unit3《Inventors and inventions》