【正文】
Plants began to grow on dry land G The earth was a cloud of dust H Water appeared on the earth. I Shellfish and other fish appeared J The universe began with a BIG BANGK Clever animals with hands and feet appeared L Mammals appeared___________________________________________________Step 3 Think(思考) Is it wrong or right to show films with dinosaurs and people together? Why? (在課文中找到合適的語句,或根據(jù)自己的理解回答此題)Step 4 A quit of the text (當(dāng)堂檢測,課文內(nèi)容填空) The universe began with a __________ .At that time , the earth , the earth became that, water appeared on the earth and_______grew on the water . Then, shellfish and other fish appeared . Next, _________began to grow on dry land and insects and amphibians___________. Later, reptiles and dinosaurs appeared. Last, clever animals _______________appeared and spread all over the earth. Thus, the human bee the most important animals on the earth. However, they are not looking after the earth well. They are putting too much carbon dioxide into the ______________, which prevents heat __________ escaping from the space. So whether life will continue on the earth for mil