[语篇解读] 文章主要介绍了科学家的最新发现——年龄大的父亲生的孩子丑的可能性更大。
1.From the passage, we know that
.
A.genetic mutations are caused by old age and physical disorders
B.when a man becomes older, spermproducing cells copy his DNA less effectively
C.one of the advantages older fathers have is that their children can live a longer life
D.researchers advise men to avoid having fathering children at older ages
【解析】 推理判断题。根据第三段With age, sperm(精子)producing cells do not copy a man's DNA as effectively一句可知B正确。
【答案】 B
2.What does the passage say about autism?
A.Genetic mutations inside a person cause autism.
B.Environmental factors contribute to autism.
C.In the UK, one percent of its population are affected by autism.
D.Autism prevents people from interacting socially and communicating openly.
【解析】 细节理解题。根据倒数第五段Autism is an umbrella term for a range of developmental disorders that have a lifelong effect on someone's ability to interact socially and communicate openly.可知选D。
【答案】 D
3.Which of the following is TRUE according to the passage?
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