B. having a hidden problem
C.
needing further testing
D. being too similar
3.
According to the passage, why are yeast cells often used in genetic research?
A. They can take on the characteristics of other genes
B. They can reproduce much faster than other cells.
C. They share some of the qualities of plant genes.
D. They're much cheaper to use than ambergris.
4. What can we learn about Joerg Bohlmann from the passage?
A. He is opposed to whale hunting.
B. He made his discovery during Christmas.
C. He has worked in the perfume industry for many years.
D. He has previously done genetic esearch.
语篇解读
本文是一篇科普说明文。介绍了一种使香水香味持久的物质——龙涎香,因这一物质来自于鲸,所以遭到人们的反对。科学家们发现一些树中的化学物质可以用来取代它,他们利用酵母菌成功制造出了这些化学物质。
D 推理判断题。 根据第二段第二句以及倒数第三段可知,含有龙涎香的香水价格昂贵,故D项正确。
B 词义猜测题。根据第四段中“There's a problem that many people wouldn't consider.” 可知该词组意为”有隐含的问题“, 故选B项正确。
【四川省成都市2016届高考英语阅读理解二轮提升训练(5)(含解析)】相关文章:
★ 河南省三门峡市2014高考英语一轮(暑假)基础训练(8)附答案
★ 2017年高考英语二轮复习精品资料:专题14 阅读理解(教学案)(原卷版)
★ 重庆市2014高考英语阅读理解一轮(精品)训练题(17)附答案
★ 贵州省贵阳市2014高考英语(新人教版)一轮阅读训练(6)附答案
★ (安徽专用)2014届高考英语一轮复习方案 作业手册(11)模块4 《Unit 11 The Media》(含解析) 北师大版必修1
★ (安徽专用)2014届高考英语一轮复习方案 作业手册(6)模块2 《Unit 6 Design》(含解析) 北师大版必修1
★ 安徽省淮南市2014高考英语一轮单项选择及文章训练(9)及答案
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (50)
★ 2017届高考英语二轮复习大题冲关秘籍之日常交际用语大全:高考英语日常交际用语必备习语大全(上)(含解析)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21