人教版高中英语 Module3 Unit4 阅读教学课件
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Unit 4 Astronomy: the science of the stars
1. How did the earth come into being (形成）?
2. How did life begin on the earth?
Read and find the main idea of each paragraph
Para1: Para2:
A widely accepted theory about
the formation(形成） of the earth.
The formation of the earth.
Para3: The importance of water for life.
Para4: The development of plants and animals
Fill in the blanks about the development of the earth.
The universe_b_e_g_a_n___ with a “Big Bang”. After the “Big Bang”, the earth was_____a__c_lo_u_d__o_f_d_u_s_t____. Later the dust began to settle into___a_s_o_l_id__g_lo_b_e___. And then it exploded loudly with fire and rock , which were in time to ____p_r_o_d_u_c_e___ carbon dioxide, nitrogen, the water vapour , …which were to make the earth’s __a_tm__o_s_p_h_e_re__. As the earth __co_o_l_e_d_ down, water began to appear ___o_n__it_s_s_u_r_f_a_ce___. Water had disappeared from other___p_la_n__et_s__ or satellites, but it remained on the earth and dissolved __h_a_r_m_f_u_l__gases and acids into the oceans and sea and finally made it possible for ___li_f_e____ to develop..
Put the events into a timeline.
1. Insects and amphibians appeared. 2. Dinosaurs appeared. 3. Small plants grew on the surface of water. 4. Plants began to grow on dry land. 5. Mammals appeared. 6. Reptiles appeared. 7. Shellfish and other fish appeared. 8. Humans are putting too much carbon dioxide into the atmosphere. 9. Clever animals with hands and feet appeared.
Keys: 3, 7, 4, 1, 6, 2, 5, 9, 8
Fill in the blanks about the development of the earth.
The universe________ with a “Big Bang”. After the “Big Bang”, the earth was_____________________. Later the dust began to settle into_______________. And then it exploded loudly with fire and rock , which were in time to _____________ carbon dioxide, nitrogen, the water vapour , …which were to make the earth’s ____________. As the earth _______ down, water began to appear ________________. Water had disappeared from other__________ or satellites, but it remained on the earth and dissolved __________gases and acids into the oceans and sea and finally made it possible for _________ to develop..
on the earth.
Para5: The arrival of humans and their influence
on the earth. NhomakorabeaRead paragraph 1-3 and answer the following questions:
1. According to the accepted theory, what did the universe begin with ? It began with a “”Big Bang”.
As the earth cooled down ,water came into being. 5. What was the importance of the presence of water on the earth?
It allowed the earth to dissolve harmful gases and acid into the oceans and seas
2. What form（形式） was the earth after the Big Bang? The earth was still a cloud of dust.
3. What made up the earth’s atmosphere?
Carbon dioxide, nitrogen, water vapour and other gases. 4. How did water come into being on the earth?
1. How did the earth come into being (形成）?
2. How did life begin on the earth?
Read and find the main idea of each paragraph
Para1: Para2:
A widely accepted theory about
the formation(形成） of the earth.
The formation of the earth.
Para3: The importance of water for life.
Para4: The development of plants and animals
Fill in the blanks about the development of the earth.
The universe_b_e_g_a_n___ with a “Big Bang”. After the “Big Bang”, the earth was_____a__c_lo_u_d__o_f_d_u_s_t____. Later the dust began to settle into___a_s_o_l_id__g_lo_b_e___. And then it exploded loudly with fire and rock , which were in time to ____p_r_o_d_u_c_e___ carbon dioxide, nitrogen, the water vapour , …which were to make the earth’s __a_tm__o_s_p_h_e_re__. As the earth __co_o_l_e_d_ down, water began to appear ___o_n__it_s_s_u_r_f_a_ce___. Water had disappeared from other___p_la_n__et_s__ or satellites, but it remained on the earth and dissolved __h_a_r_m_f_u_l__gases and acids into the oceans and sea and finally made it possible for ___li_f_e____ to develop..
Put the events into a timeline.
1. Insects and amphibians appeared. 2. Dinosaurs appeared. 3. Small plants grew on the surface of water. 4. Plants began to grow on dry land. 5. Mammals appeared. 6. Reptiles appeared. 7. Shellfish and other fish appeared. 8. Humans are putting too much carbon dioxide into the atmosphere. 9. Clever animals with hands and feet appeared.
Keys: 3, 7, 4, 1, 6, 2, 5, 9, 8
Fill in the blanks about the development of the earth.
The universe________ with a “Big Bang”. After the “Big Bang”, the earth was_____________________. Later the dust began to settle into_______________. And then it exploded loudly with fire and rock , which were in time to _____________ carbon dioxide, nitrogen, the water vapour , …which were to make the earth’s ____________. As the earth _______ down, water began to appear ________________. Water had disappeared from other__________ or satellites, but it remained on the earth and dissolved __________gases and acids into the oceans and sea and finally made it possible for _________ to develop..
on the earth.
Para5: The arrival of humans and their influence
on the earth. NhomakorabeaRead paragraph 1-3 and answer the following questions:
1. According to the accepted theory, what did the universe begin with ? It began with a “”Big Bang”.
As the earth cooled down ,water came into being. 5. What was the importance of the presence of water on the earth?
It allowed the earth to dissolve harmful gases and acid into the oceans and seas
2. What form（形式） was the earth after the Big Bang? The earth was still a cloud of dust.
3. What made up the earth’s atmosphere?
Carbon dioxide, nitrogen, water vapour and other gases. 4. How did water come into being on the earth?