2016年10月22日托福大范圍機經預測(網站)

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1、Which of the following three subjects would you choose to learn? Math, painting or science. And what you want to learn from this subject. Please include specific reasons and details in your response.
     2、What are the benefits of chatting with older family members? Please include specific reasons and details in your response.
     3、What community service task would you like to do: A.help young children with their homework. B.teach old people how to use computer. C.clean a city park.
     4、If you have a chance to give a lesson in an elementary school, what topic would you like to teach: 1. How to protect the environment. 2.How to grow plants. 3.How to cook simple and healthy food. Please explain your choice with specific reasons.
     5、Describe a person in your family whose personality or behavior is very different from yours.
     綜合寫作:
     奧陶紀(Ordovician)末期導致海洋生物ocean life大量滅絕extinction原因。 The causes for the mass extinction of ocean/ marine life at the end of Ordovician.
     閱讀部分
     海平面說:氣候變冷,溫度下降,導致ice sheets形成,導致海平面下降
     隕石撞擊說:小行星撞擊地球,灰塵遮住太陽
     超強紫外線說:太陽暴走,臭氧層破壞,太陽紫外線UV過強,強殺死一種生活在表層surface of de ocean的Tri水生生物(注:推測:可能是古生物trilobite三葉蟲)?;癁樽C,一種海洋生物那時候在海洋表面絕跡了
     聽力部分
     冰川期海平面降低是漫長的過程,有幾千年,氣候變冷很緩慢,不會造成大滅絕。生物滅絕是在奧陶紀初期瞬間開始的,那個時候海平面還沒那么低
     小行星撞擊要殘留下坑impact crater和radium deposit,但是目前沒發(fā)現(xiàn)那個時期的crater
     化石的那種生物現(xiàn)在還有,而且形成化石的那種海洋生物具體在哪生活,我們不確定,可能生活在海底更深的地方。紫外線只能殺死地球表面的生物。殺不死Tri水生生物
    
    

    

    

    

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