题目内容
8.Chocolate is the"food of the gods,''a sweet treat for many across the world,and an increasingly popular industry worth an estimated﹩110 billion a year.But chocolate lovers,your beloved snack may have just been saved by another sweet treat:mangoes (芒果).Scientists may have found a way to solve a possibly coming shortage of cocoa,which could affect future chocolate production,by using mangoes in place of cocoa to make chocolate,according to a study."Wild mango is one of the so-called Cinderella (灰姑娘) species whose real value is unrealized,''says Akhter,the study's senior author.Global cocoa production has gone down in recent years-due to a handful of factors including changes in climate and crop failure-while the demand for cocoa has been on the rise.Cocoa producers in the past also have been accused of unfair labor practices,including employing child laborers and underpaying farmers.Wild mango butter may be chemically and physically similar enough to cocoa butter to act as a replacement,which makes researchers and food producers excited and hopeful.
The study's authors also believe the potential business benefits of the fruit could be a boon to protection efforts."Going beyond the use to industry,wild fruits like mangoes are an important source of food,medicine and income for rural people,but are in decline due to factors such as deforestation,''said Morag McDonald of Bangor University,another of the study's authors.Adding value to underused products through processing for products that have market value can bring about a valuable motivation for the conservation of such species,and help to bring about alternative income sources and reduce household poverty.
28.Why is the mango called Cinderella species?C
A.It often appears in fairy tales.
B.It is especially suitable for girls.
C.Its importance fails to be recognized.
D.It looks common but is very popular.
29.What is stressed in Paragraph 2?D
A.The hard life of cocoa farmers.
B.The great demand for chocolate.
C.The reasons for chocolate's popularity.
D.The reasons for replacing cocoa with mangoes.
30.What makes mangoes a replacement for cocoa?B
A.Similar output.
B.Similar nutritional value.
C.Similar growth conditions.
D.Similar processing method.
31.The underlined word"boon"in Paragraph 3 can best be replaced byB.
A.disagreement
B.gift
C.challenge
D.barrier.
分析 本文介绍了用野生芒果替代可可的研究以及需用它要替代可可的原因.
解答 28.C.理解推断题.由第一段."Wild mango is one of the so-called Cinderella (灰姑娘) species whose real value is unrealized,可知它被称作灰姑娘是因为未实现其真正的价值,故选C.
29.D.理解推断题.由整段内容可知,这段介绍了可可行业如今的不景气和野生芒果的可替代优势,这都是替代的原因,故选D.
30.B.理解推断题.由第三段Wild mango butter may be chemically and physically similar enough to cocoa butter to act as a replacement,which makes researchers and food producers excited and hopeful,可知野生芒果和可可的物理,化学性质都是很像的,因此营养也是相像的,故选B.
31.B.词义推断题.由后面protection efforts,保护效果和前面The study's authors also believe the potential business benefits of the fruit,可具有潜在商业利益的水果可以促进保护工作,这是上天的一份礼物,故选B.
点评 在做阅读理解时,考生可快速阅读短文,通读测试题,明确考察点,在对应细读,加快做题速度.有时间还可以复查校对答案.
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B.Only on the three Sunday-s,
C.In the season of spring.
D.From 10:00am t0 3:15pm every day
22.What can we know from the passage?C
A.Spring Discovery will be held every other year.
B.The instructors are all experienced adult experts.
C.Kestrel might be experienced in holding the camp.
D.The entire family is welcome to the Kestrel Sundays
23.What will the children do in the camp according to the passage?B
A.Visit the group leaders.
B.Learn how to cooperate.
C.Plant trees in the forest.
D.Help elders to tell stories.