5. Many middle-aged people’s memory is decreasing because.

　　A. their brains are injured

　　B. their brains don’t have enough oxygen

　　C. their brains aren’t supplied with enough blood

　　D. their brains are growing old

　　【解析】选D。细节理解题。从第一段的As the brain fades, we refer to these occurrences as“senior moments”. 可以看出, 是由于人的大脑在衰退的原因, 导致人的记忆力减退。

　　6. What’s the main idea of the fourth paragraph?

　　A. Our muscles need to exercise.

　　B. Scientists believe our brain needs improving by running.

　　C. Scientists believe proper mental practice can improve intelligence.

　　D. Our muscles have connections with our brain.

　　【解析】选C。主旨大意题。本段讲述了科学家认为人脑与人的肌肉一样也需要锻炼, 恰当的锻炼能提高我们的认知功能, 提高我们的智力。故选C。

　　7. Which of the following is NOT the function of Lumosity?

　　A. Improving your memory and attention.

　　B. Increasing your resistance for diseases.

　　C. Recording your advance and offering feedback in detail on your improvement.

　　D. Modifying the games you play to build on the strengths you are developing.

【2017届高考英语一轮复习课时作业18 Unit 3（人教版必修4）】相关文章：

★ 2017届高考英语一轮复习课时作业18：Unit 3《A taste of English humour》（新人教版必修4浙江专用）

★ 天津市武清区杨村第四中学2016届高考英语一轮复习语法专题十一《主谓一致语法》课件外研版

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之夹叙夹议文：创新押题（含解析）

★ 2014届高考英语一轮复习必修3参考答案（外研版）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修8 unit4《Pygmalion》

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (65)

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之记叙文：体验真题（含解析）

★ 2017高考四川省广安市英语阅读理解一轮系列训练：25（含解析）

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之夹叙夹议文：名校模拟（含解析）

★ 湖南省长沙县实验中学2016届高三英语二轮复习书面表达复习重点话题指导专题19 文学艺术话题指导（教师版）