高中英语-unit 4 how life began on the earth reading

Pre-reading: Which do you like, the religious legends or the scientific theory?
Predict: What will the passage talk about?
Fast reading: main idea/ key words
Settled into __a__s_o_l_i_d__g_l_o_b_e
Exploded …with _fi_r_e__&__r_o__c_k_ ቤተ መጻሕፍቲ ባይዱproduced_C_O__2_, _N_2_,_H__2_O_,_o_t_h_e__r_g__a_s_e__s)
atmosphere
Cooled down water appeared Life began
Unit 4 Astronomy: the science of the stars
Period 1
How Life Began on the Earth
I s there life on these planets? How did life begin on the earth?
Religious legends: China
Introduction
Para.1 Para. 2
key words
origin
Main body Para. 3 development
Para. 4
Epilogue(结语) Para. 5 influence
Careful reading: para2 origin of the earth Big Bang A cloud of dust
Choose one to discuss. Draw a picture to show your ideas.
Homework
1. Search the Internet for the information of the development of human beings.
2. Pick out the good words, phrases or structures from Reading.
2. What problems do they cause?
Life is developing all the time.
Discussion:
1.What will life look like in the future, such as human beings or fishes?
2. What will the earth look like in the future?
Para 4: development of life
plants
animals
1.s_m__a_ll__p_la_n_t_s in water
→O2
2._sh_e_l_lf_i_sh__&__ __o_t_h_e_r_f_is_h__
4.i_n_s_e_c_t_s___
3g._r_e_e_n_p_l_a_n_t_son → 5.a_m__p_h_i_b_ia_n_s
western countries
Scientific theories: Big Bang
PaGnNgoudv(w盘care(古女at)e娲sde)ptmahreaadwteeodhrlutdhmeaansnkdybaeflrlinoligmvsi.nthgetheainrgths.
Scientific theory: The Big Bang
widely
accepted
theory
of
the
Para. 4 origin of the universe.
The development of plants and Para. 5 Parat 3nimals on the earth.
Analyze the structure of an exposition(说明文)
Para 3: the importance of water
Questions: 1.Why is there no life on other planets like Mars?
2.What is the significance(重要性) of the continued presence of water on the earth?
land
7.r_e_p_t_il_e_s___
6. forests
→ 8.d_i_n_o_s_a_u_r_s_
9.m __a_m__m_a_l_s_
Life is _d_e_v_e_lo_p_i_n_g_all the time.
Para 5: human beings Questions: 1.What appeared later? What do they look like?
The importance of water for life
Para.1 Part 1
The arrival of humans and their
Para. 2 influence on the earth.
The formation(形成) of the earth
Para.
3
Part 2
A