Unit 6 Space and beyond Period One Starting out&Understanding ideas课件(共75张PPT+ 学案 +练习）

Unit 6　Space and beyond Period One　Starting out & Understanding ideas 【课前自主探究】 Task 1　Fast Reading 1.lunar/Moon landing　2.launch/take-off　3.explosion 4.resuming/restart　5.significance Task 2　Careful Reading 1—4 BCBB Task 3　Micro-writing 1.have become　2.Following　3.off　4.excitement 5.What　6.an　7.Tragically　8.disastrous　9.were suspended　10.reaching 【语言知识梳理】 词汇点睛 1.(1)getting　(2)①accustom herself to　②accustomed to talking 2.①my heart in my mouth　②heart and soul　③lose heart ④Learning; by heart 3.(1)①发起　②发射　(2)will launch a campaign 4.(1)①calls to/on/upon　②call off　③call in/out　④call for (2)call on/upon students to learn Chinese characters 句型透视 (1)①discovered　②accommodating　(2)①organised by our Students’ Union　②located in Tongren CityUnit 6　Space and beyond Period One　Starting out & Understanding ideas Ⅰ.1.shadow　2.unexceptional　3.crew　4.scream Ⅱ.1.powerful　2.inspiring　3.to be launched 4.Tragically　5.explosion　6.in　7.involved　8.suspension Ⅲ.1.her heart in her mouth　2.has been/become accustomed/used to　3.called to　4.cast a shadow on　5.set foot on　6.aware of Ⅳ.1.What excited Charlie most 2.no matter how/however official 3.pouring heavily 4.arranged by my school Ⅴ.【文章大意】 本文是一篇说明文。文章主要介绍了由于人造照明的增加,夜空的亮度每年以大约10%的速度增长,这导致星星的可见性迅速下降。研究者通过例子说明了这一变化。 1.A　推理判断题。根据第三段中“To illustrate the change, researchers gave this example: a child is born where 250 stars are visible on a clear night. By the time that child turns 18, only 100 stars are still visible.”(为了说明这种变化,研究人员举了这样一个例子:在晴朗的夜晚,一个孩子出生时可以看到250颗星星。当这个孩子18岁的时候,只有100颗星星是可见的。)可知,研究者通过一个孩子从出生到18岁时星星可见数量的变化的例子,说明了星星可见性的快速下降。故选A。 2.D　细节理解题。根据倒数第二段中“But the satellites used weren’t able to detect light with wavelengths towards the blue end of the spectrum (光谱)—including the light from energy-efficient LED bulbs.”以及“The satellites were also better at detecting light that scatters (散射) upward, like a spotlight, than light that scatters horizontally (水平地).”可知,先前使用的卫星无法探测到波长接近光谱蓝色末端的光,包括节能LED灯泡发出的光,同时先前使用的卫星更擅长探测向上散射的光,而不是水平散射的光,所以它的缺点是可能找不到水平的光源。故选D。 3.B　推理判断题。根据最后一段“Georgetown University biologist Emily Williams, who was not part of the study, said, ‘Skyglow disturbs circadian rhythms in humans and other forms of life. Migratory songbirds normally use starlight to find out where they are in the sky at night. And when sea turtle babies hatch, they use light to orient themselves towards the ocean—light pollution is a huge deal for them.’”(乔治城大学的生物学家Emily Williams没有参与这项研究,她说:“夜空光亮扰乱了人类和其他形式的生命的昼夜节律。迁徙的鸣禽通常在夜间利用星光来确定它们在天空中的位置。当海龟宝宝孵 ... ...