河北省高碑店市第三中学高中英语 Unit 4阅读理解（无答案）新人教版必修3

Book3 Unit4 ReadingLearning aims识记：master the words in the reading passage.(ABC)理解:to be able to get the main idea and the detail information from the text(BC)运用:to be able to answer some questionns about the text.(BC)提升:to be able to finish the rational cloze(C)Learning proceduresstepI translate the words into Chinese.astronomy system religion theory billion globeviolent carbon atmosphere unlike fundamentalstepII match the both1) How old is the earth? paragraph12) How does the universe begin? paragraph23) Is there any water in the Mars? paragraph34) When did dinosaurs disappear? paragraph45) Which animal is the most important one on the earth? paragraph5stepIII Conclude the main idea of each paragraph1) A widely _ about the _ of the universe.2) The formation of the _.3) The _ of water for life.4) The development of _ and _ on the earth.5) The arrival of _ and their _ on the earth.stepIV Put these sentences into the right order.A. The earths atmosphere was formedB. Big BangC.The earth exploded and produced kinds of gasesD. Water appearedE. The earth cooled downF. A cloud of energetic dustG. Slowly combine into a solid globestepV. answer the questions1. After the Big Bang, what was the earth like?2. What happened next?3. What did the water vapour and gases form?4. What appeared as the earth cooled down?5. What life developed after water appeared?6.What life developed in water next?7. What life developed next on land?8.What life developed after forests appeared?9.What life developed after dinosaurs?10.What life developed after dinosaurs?11. What life developed after mammals?stepVI. summaryAfter the “big bang”, the earth was still just a cloud of _,it _loudly with fire and rock, which were _ to produce the_, water vapour and other gases. Then _ began to appeared on the earth. _ in water are considered to be the earliest lives on the earth. The O2they supplied encouragedreen plants grew on