a-pioneer-for-all-people-优质课.ppt

1、A pioneer for all people，question1，how much of the earth is covered by land？A.1/2、b.1/3、C.1/4、d.1/5、question 2、of this land of the earth、how much can be used for farming、A.1/2、b.1/3、C.1/4、d.1/5、question 3、of this armable land、how much is acture，A.1/2，b.1/3，C.1/4，d.1/5，only 1/32(1/4 * 1/2 * 1/4)of th

2、e total ll，why？build too many houses、squares serious environmental problems over-farming/over-grazing、population、what is the、increases/grows very fast、problem、how can we feed so many people with limited farmland？for China，it is a even more serious problem . why？because we only have 7% of the farmlan

3、d of the earth，but have 22% of the population of the world，solution，a great scientistpara 2 b . dr yuans personality his hobbies。para 3 c . dr yuans biography His achievements . para 4d。dr yuans appearance and his invention。para 1、dr yuans appearance and his invention、what、what、Sunburnt face and arm

4、s、slim and strong bodyhe circulates his knowledge in less-developed countries。he helps the un to rid the world of Hu Nger，para 3，dr yuans personality his hobbies，what，what，1 2 3，1 2 3 4 what adjs can weuse to describe dr . yuan，diligent (hard-working)，livly，energetic，Music-loving，busy what is your opinion？1981年，16th has been the world food day。suppose on that day this year your class will ask every one of you to write a slogan about food .what slogan will you write？(no food，no tomorrow)，find solutions，as the problem of hunger is far from being solve，what can web to help