24．From the passage we can learn that some people are worried because________.

　　A. they have evidence that the use of cell phones can lead to cancer

　　B. they feel surprised and alarmed about cell phone use

　　C. some experts have given a warning

　　D. cell phones are responsible for brain tumors

　　25．By saying “I don’t support warning labels for cell phones，”Dr Martha Linet has the idea that_______.

　　A. the worrying is unnecessary

　　B. cancer—warning labels should be on cell phones

　　C. there is a link between cell phones and cancer

　　D. cell phones have nothing to do with cancer

　　26．Which of the following best describes the attitude of the author towards the debate?

　　A. Optimistic．

　　B. Objective．

　　C. Opposite． D. Casual．

　　27．The underlined word“ justified” in Paragraph 3 is closest in meaning to_____．

　　A. explained

　　B. confirmed

　　C. classified

　　D. restricted

　　C

　　Can you believe your eyes? A recent experiment suggests that the answer to that question may depend on your age．

　　Martin Doherty，a psychologist at the University of Stirling in Scotland，led the team of scientists．In this experiment，Doherty and his team tested the perception(观察力)of some people，using pictures of some orange circles．The researchers showed the same pictures to two groups of people．The first group included 151 children aged 4 to 10，and the second group included 24 a—dults aged 18 to 25．

【2017届河北省高三英语一轮复习55分钟课堂练习47 Word版含答案】相关文章：

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (12)

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（3）及答案

★ 2014届高考英语一轮复习课时作业(三十四)选修6Module 4《Music》（外研版）

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（6）及答案

★ 2017高考四川省广安市英语阅读理解一轮系列训练：30（含解析）

★ 湖南省岳阳市2014高考英语一轮单项选择训练题（11）及答案

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修7 unit4《Sharing》

★ 2017届高考英语二轮复习大题冲关秘籍阅读理解七选五：考纲解读（含解析）

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十七)选修6Unit 2《Poems》

★ 河南省三门峡市2014高考英语一轮（暑假）基础训练（11）附答案