任务型阅读七选五专练-高中英语人教版(2019)选择性必修第四册 .docx
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1、浙江省高二年级第二学期期中易错回顾-任务型阅读七选五【语篇1】The idea that red means stop and green means go affects more than just traffic light colors. We have been taught from a young age that red means danger, while green means safety. But why were those particular colors chosen for traffic lights? For something we have to l
2、ook at every day, why couldnt they have been prettier colors? Youre about to find out.Before there were traffic lights for cars, there were traffic signals for trains. At first, railroad companies used red to mean stop, white to mean go and green to mean caution. But train conductors ran into a prob
3、lem with the color white meaning go-bright white could easily be mistaken for stars at night.【小题1】It has been that way ever since.【小题2】That means that as it travels through the air, it gets diffused(分散)less than other colors, so it can be seen from a greater distance. For example, think about how th
4、e light turns red as the sun sets. Even though the human eye is most sensitive to a yellowish-green highlighter color, it can see red from further away. But this could happen by chance.Its not clear whether that was chosen based on wavelength, contrast against green nature or natural connection of r
5、ed with things like blood. 【小题3】 Yellow has a shorter wavelength than red but a longer wavelength than green. This means that red is noticeable the furthest away, yellow in the middle and green the least distance away-a helpful advanced warning for needing to slow or stop.However, believe it or not,
6、 yellow was once used to mean stop. Back in the 1900s, some stop signs were yellow because it was too hard to see a red sign in a poorly lit area. Eventually, highly reflective materials were developed, and red stop signs were born. Since yellow can be seen well at all times of the day, school areas
7、, some traffic signs and school buses continue to be painted the color. Keep these safe driving tips in the back of your mind whenever you see a yellow light.A.Railway companies eventually moved to the color green for go.B.It could be a mix of all three!D.Employ these driving rules and know that tra
8、ffic lights have certainly come a long way.E.Red is the color with the longest wavelength.F.When youre impatiently waiting at a traffic light, dont get mad.【语篇2】Planting and growing things offer a lot more than fresh vegetables and flowers. Working in a nice outdoor space can benefit people in more
9、than one way. Here are some science- based advantages.Its a fun workout. Its wonderful to get out in the garden on a beautiful day to give it a tidy. 【小题1】Planting seeds, pulling up weeds, moving pots, pushing a lawnmower, and other gardening tasks actually provide a whole-body, moderate -intensity
10、workout for adults over 65 years old, suggests a 2014paper from the American Society for Horticultural Science. Even better, whatever your age, it is an activity with a purpose-and one that might keep you in motion longer than traditional exercise.It sharpens your mind. More than just good exercise
11、for your body, gardening provides a workout for your brain, according to a 2019 study that appeared in the International Journal of Environmental Research and Public Health. Researchers measured brain nerve growth factors related to memory in study participants-all seniors-before and after they crea
12、ted a vegetable garden, and found that their levels of brain nerve growth had increased significantly.It boosts your immune system. Having dirt under your fingernails may be a sign of poor hygiene, but scientists say it could also be a mark of good health. Thanks to beneficial bacteria found in soil
13、, gardening may strengthen your immune system, 【小题2】 according to research that includes a 2015 study published in the international journal ImmunoTargets and Therapy.It nourishes your spirit. 【小题3】 suggests an experiment conducted by NASA in 2016. The scientists found that planting and nurturing se
14、eds, even in small pots, lifted astronauts moods and eased their stress in the severe environment of outer space. And if gardening can do that for astronauts, it should be more than good enough for those of us who watch them on TV.B. It improves adaptabilityD. Helping you get sick less and fight off
15、 infections easierE. Helping you have a better appetite and gain more weightF. Knowing its doing you good physically might make it more entertainingG. Working with plants provides stress relief and positive sensory stimulation【语篇3】Every parent wants their children to develop well. 【小题1】. However, fo
16、r a child, play is the main way of interacting with the world, mastering new knowledge and skills. The game performs several functions. Education and development. Through the game, the child learns new skills and develops speech, thinking and logic, memory, attention and other mental functions. This
17、 applies not only to special educational games, but outdoor games which promote physical development and strengthen the health of the child. Also, any games develop creativity and imagination.Way of communication. A game for a child is also a way to convey to an adult their experiences: joys, anxiet
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