选择性必修一 unit5 reading 课文语法填空

Today, it _is__es_t_im__a_t_e_d_(estimate) that about 60 percent of domestic rice consumption in China is __co_m__p_r_i_se_d_(comprise) of crops _g_e_n_e_r_a_t_ed(generate) from Yuan’s hybrid strains, and his strains have allowed China’s farmers to produce around 200 million tons of rice per year. Yuan’s i_n_n_o_v_a_t_io_n_ (innovate) has helped feed not just China, __b_u__t __ many other countries that depend on rice as well, such as India and Vietnam. Because of his invaluable _c_o_n_t_r_ib_u_t_io_n_s_(contribute) , Yuan Longping has received numerous awards both in China and abroad.
_G__iv_e_n__(give) that Yuan’s hybrids have made him quite wealthy, one might think he would retire to a life of leisure. _H_o_w__e_v_er_, this is far from the case. Deep down, Yuan is still very much a farmer at heart. As a man of the soil, he cares little for celebrity or money. _I_n_s_te_a_d_, he makes large _d_o_n_a_t_i_o_n_s_(donate) to support agricultural research. ___W__h_a_t__impresses people most about Yuan Longping is his ongoing ability to fulfill his dreams. Long ago, he envisioned rice plants as tall as sorghum, with each ear of rice as big as a broom, and each grain of rice as huge as a peanut.
However, __w_h_e_t_h_e_r_ it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. The common_a_s_s_u_m__p_ti_o_n_ (assume) then was that it could not be done. Through intense effort, Yuan overcame enormous technical difficulties to develop the first hybrid rice ____th_a_t___ could be used for farming in 1974. This hybrid enabled farmers _to__e_x_p_a_n_d__ (expand) their output greatly.
UNIT5 WORKING THE LAND
A PIONEER FOR ALL PEOPLE
My life pursuit is to keep all the people away from hunger. ——Yuan longping
Yuan Longping,__k_n_o_w_n_(know) as the “father of hybrid rice”, is one of China’s most famous scientists. Yet, he considers himself a farmer because he _co_n_t_i_n_u_a_ll_y_(continue) works the land in his research. Indeed, his slim __b_u_t__ strong body is just like that of millions of Chinese farmers, to _w_h__o_m___he has devoted his life. Yuan Longping was born in 1930 in Beijing. His parents wanted him to pursue a career in science or medicine. However, ___w_h_a_t___concerned him most was that farmers often had poor harvests and sometimes even had a serious _s_h_o_r_t_a_g_e_(short) of food to eat. To tackle this crisis, he __c_h_o_s_e__(choose) to study agriculture and received an education at Southwest Agricultural College in Chongqing.
After _g_r_a_d_u_a_ti_n_g__(graduate)in 1953, he worked ____a_s____ a researcher. Yuan Longping realised that larger fields were not the solution. __I_n_st_e_a_d__, farmers needed to boost yields in the fields they had. How this, could be done was a challenging question at the time. Yuan _w_a_s_c_o_n_v_i_n_c_e_d_(convince) that the answer could be found in the creation of hybrid rice. A hybrid is a cross between two or more varieties of a species. Ont___ they usually attain a higher yield than conventional crops.