九下Unit4LifeonMarsPeriod3Grammar牛津译林

C1 Simon is writing about Mars. Rewrite the defining relative clauses in simple sentences with the preposition with or in.
1. Mars is a planet that has an environment similar to that of the Earth. 2. Astronauts who wear space suits and helmets might stay on Mars for
Sun once. ①
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Millie: (2) Are scientists in agreement that living on Mars would
be possible for humans in the future? ②名词形式possibility
Humans cannot survive if there is no food, water or oxygen. → Humans cannot survive without food, water or oxygen.
Learning about outer space Daniel is writing about visiting another planet. Help him rewrite the sentences using the words in brackets. 1. Neil Armstrong took his first flight when he was only six. (at the
6. Without special boots, you cannot walk on Mars. (if...not) __If_y_o_u__d_o__n_o_t_w_e_a_r_s_p_e_c_i_a_l _b_o_o_t_s,_y_o_u__c_a_n_n_o_t_w_a_l_k_o_n__M__a_rs_.__
_f_o_r _h_u_m__a_n_s_in__t_h_e_f_u_t_u_re___________________________(possibility)? 3. Have they thought _a_b_o_u_t__th_e__p_r_o_b_le_m__o_f_t_h_e__lo_w__g_r_a_v_it_y_o_n__M__a_rs__
(problem)? 4. Are you aware ___o_f_t_h_e__tr_a_n_s_p_o_r_t_o_n__M_a_r_s__________b_o_u_t_t_h_e_n_u__m_b_e_r_o_f__p_e_o_p_le__w_h_o__w_o_u_l_d__li_ke__t_o_m__o_v_e___ __t_o__M_a_r_s________________________________________(number).
age of ) ____N__e_il_A_r_m__st_r_o_n_g_t_o_o_k__h_is_f_i_rs_t_f_li_g_h_t_a_t_t_h_e_a_g_e__o_f_s_ix_.______
2. Yuri Gagarin became the first man to go into outer space at the age of 27. (when) ___Yu__ri_G_a_g_a_r_i_n_b_e_c_a_m__e_t_h_e_f_ir_s_t_m__a_n_t_o_g_o__in_t_o__o_u_te_r__sp_a_c_e____ ___w_h_e_n__h_e_w__a_s_2_7_.____________________________________
Unit 4 Life on Mars Period 3 Grammar
A Using adverbial clauses or simple sentences We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without. Neil Armstrong received his student pilot’s licence when he was 16. → Neil Armstrong received his student pilot’s licence at the age of 16. People might float in space because the gravity is low. → People might float in space because of the low gravity.
Millie: (1) Are you aware how far Mars is away from the Sun?
Daniel: Yes. Mars is about 142, 000, 000 miles away from the Sun.
It takes Mars about two Earth years to circle around the
Daniel: No. But they’re working hard to learn more about Mars.
Millie: (3) Do they think that the low gravity on Mars might be a problem? Daniel: Yes, they do. Millie: (4) Are you aware what transport could be like on Mars? Daniel: It could be much better than that on the Earth. However,
hours. 3. It is difficult to breathe on a planet that has much thinner air than
4. If there is no fresh food, meals will not be as tasty as they are today. (without) _W__i_th_o__u_t _fr_e_s_h_f_o_o_d_,_m__e_a_ls__w_i_ll_n_o_t_b_e__a_s_t_a_s_ty__a_s_t_h_e_y_a_r_e_t_o_d_a_y_. _
scientists aren’t sure whether people could grow plants on Mars. Millie: (5) I wonder how many people would like to move to Mars. (6) I
think people should know that life on Mars would be different from that on the Earth.
1. Are you aware _o_f _th__e_d_i_st_a_n_c_e_b_e_t_w__e_e_n_M__a_r_s_a_n_d_t_h_e__S_u_n (distance)? 2. Do scientists agree __a_b_o_u_t_/_w_i_th__t_h_e_p_o_s_s_ib_i_li_t_y_o_f_l_iv_i_n_g_o_n__M_a_r_s___
6. I think people should know __th_e__d_i_ff_e_re_n__ce_s__b_e_tw__e_e_n_l_if_e_o__n_M__a_r_s__ __a_n_d__th__at__o_n_t_h_e_E_a_r_t_h___________________________(differences).
3. People might move to another planet in the future because the population on the Earth is increasing rapidly. (because of ) __P_e_o_p_l_e_m__ig_h_t_m__o_v_e__to__a_n_o_t_h_e_r_p_la_n_e_t__in__th_e__f_u_tu_r_e__b_e_ca_u_s_e__ __o_f_t_h_e__ra_p_i_d_i_n_c_re_a_s_e__in__th_e__p_o_p_u_l_a_ti_o_n_o_n__t_h_e_E_a_r_t_h_. _______
C Using defining relative clauses or simple sentences We can rewrite some defining relative clauses in simple sentences with prepositions like with and in. People might live in houses which have huge comfortable rooms. →People might live in houses with huge comfortable rooms. On Mars you might see people who wear special boots. →On Mars you might see people in special boots.
About the planet Mars Millie knows little about the planet Mars. She is asking Daniel for more information. Rewrite Millie’s sentences using the words in brackets.
B Using object clauses or simple sentences We can rewrite some object clauses in simple sentences with prepositions like of and about. The smell of the pills reminds them that food on the Earth is tasty. →The smell of the pills reminds them of the tasty food on the Earth. Are they sure that space travel will be very fast? →Are they sure about the fast speed of space travel?
5. It would be funny to play football on Mars because of the low gravity. (because) __It__w_o_u_l_d_b_e__fu_n__n_y_t_o_p_l_a_y_f_o_o_t_b_a_ll_o_n__M_a_r_s_b_e_c_a_u_s_e__th_e__g_ra_v_i_t_y__ __is__lo_w__. ________________________________________________