a rough ride 一段艰难的历程
mass extinction 物种大灭绝
to kill off 杀死、消灭
crater (火山口式的)圆坑
geological 地质的
to wipe out 彻底灭绝
dense 密度大的
to orbit 沿轨道围绕(行星或恒星)运行
Solar System 太阳系
comet 彗星
to hurtle 猛冲
to put someone off (something) 丧失对某事的兴致
macabre 恐怖的,令人害怕的
interstellar 星际的
to snuff it (俗语)死亡,断气
测验与练习 1. 阅读课文并回答问题。
1. When did dinosaurs become extinct?
2. What evidence is there that a meteorite wiped out the dinosaurs?
3. Why was 96% of life destroyed at the end of the Permian period?
4. Which verb means: ‘to throw’?
5. True or false: All stars eventually run out of energy.
2. 请你在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处。
1. Last year was __________. I’m glad to see the end of it.
rough riding a rough rider a rough ride rough ride
2. Washing clothes in boiling water __________ bacteria.
makes extinct kills off snuffs wipes off
【Dangers from outer space 来自外星的危险】相关文章:
★ Bird-watchers in Uganda and happy kids 乌干达湿地观鸟、荷兰儿童快乐的秘密
★ Orangutan squeaks reveal language evolution, says study 科学家称红毛猩猩叫声揭示人类早期语言进化过程
★ Hunt for Antarctica's 'missing meteorites' 英国科学家将赴南极寻找“失踪的陨石”
★ World wildlife 'falls by 58% in 40 years' 全球野生动物总数“四十年内下降58%”
★ Why do we like different tastes? 为什么我们喜欢不同的口味?
★ The office that starts at 9.06am 早上九点零六分准时开始工作
最新
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15