LESSON 1 THE SIXTH EXTINCTION 一、阅读词汇 1.the impact site of the asteroid 小行星的撞击地点 2.the center of the solar system 太阳系的中心 3.hatch chicken 孵化小鸡 二、写作词汇 1.species n.物种，种 As a result， many species are dying out.More and more people are suffering from health problems. 因此，许多物种正在灭绝。越来越多的人受到健康问题的困扰。（环保） 2.wipe vt.擦；拭 Then I wiped the dust off all the furniture.After that， I swept and mopped the floors. 然后我擦去所有家具上的灰尘。之后，我打扫并拖地。 （活动介绍） 三、多义词汇 1.mass adj.大量的 n.大量 ①We are in the midst of a mass extinction. adj.大量的 ②She had a mass of brown hair. n.大量 2.decrease n.减少；减少的量 vi.& vt.减少 ①Student numbers have decreased by 500. vi.减少 ②There has been a decrease in imports. n.减少 四、拓展词汇 1.unusual adj.异常的；不平常的→unusually adv.不寻常地→usual adj.平常的 2.varied adj.各种各样的，形形色色的→vary v.变化→various adj.各种各样的→variety n.种类 3.affect vt.影响→effect n.影响→effective adj.有效的→effectively adv.有效地 4.endangered adj.濒危的→endanger v.使遭危险；危及；危害→danger n.危险→dangerous adj.危险的 5.restore vt.（使）恢复→restoration n.恢复；复原 1.die out 消失；绝迹，灭绝 2.wipe out 彻底毁灭 3.be to blame （对某事）负有责任 4.be at risk 处境危险，受到威胁 5.according to 根据 6.due to 由于 7.up to 多达 8.depend on 依靠 9.take steps/action 采取措施 10.set up 建立；树立 11.in short 总之 句型公式：倍数表示法 教材原句：They found that human activity is causing species to die out 1，000 times faster than normal. 他们发现人类活动导致物种灭亡的速度比正常情况快1，000倍。 Ⅰ.词形变化填空 1.All the teachers were curious about what made the boy （unusual） excited. 2.The reasons why students can’t finish their homework on time are （vary）. 3.There are many （endanger） animals in China， such as giant pandas， Manchurian tigers and golden monkeys. 4.The new rules will become （effect） in the next few days. 5.The （restore） of the historic temple took a year and cost a lot of money. Ⅱ.短语填空 1.The boy failed in the examination carelessness. 2.Local government is to reduce the loss to the minimum. 3. ，taking cellphones to school will lead to a lot of problems so it should be forbidden. 4.If not handled in time， the disease threatens to the entire population. 5.Some students spend half an hour to get to school， that is， they have to set off at 7：30 am. Ⅲ.完成句子 这颗恒星绝对是个巨无霸。它比我们的太阳大百倍。 This star is absolutely huge.It’s . LESSON 1 THE SIXTH EXTINCTION Ⅰ.1.unusually 2.varied/various 3.endangered 4.effective 5.restoration Ⅱ.1.due to 2.taking steps/action 3.In short 4.wipe out 5.up to Ⅲ.100 times bigger than our sun 2 / 2(
