题目内容：

选正确的词或词组的正确形式填空
A组
disturbing,equip,circulate,output,reduce,struggle
1.Yuan Longping has____for Chinese farmers for the past five decades.
2.As a young man,he saw the great need for increasing the rice_______
3.At that time,hunger was a______problem in many parts of the countryside
4.He gives millions of yuan to______others for their research in agriculture
5.A heslthy soil______disease and helps crops grow strong and healthy
6.Yuan is_____his knowledge in less developed countries to increase their rice harvests
B组
thanks to,build up,lead to,focus on,keep...free from,would rather
1.He______keep time for his hobbies
2.Many of the chemicals can_______cancer or other illnesses
3.These chemicals in the food supply_______in people's bodies over time
4._____Yuan's research,the UNhas more tools in the battle to rid the world of hunger
5.Organic farming is simply farming without using any chemicala.They_____keeping their soil rich and free of disease
6.Organic farmers prefer using natural waste from animals.This____the air,soil,water and crops_____chemicals
C组
disturbing,expand,output,struggle,decada,equip
In the past__1__,some of the farmers in the west of China have met with some success in the__2__against the__3__desert.__4__with new scientific farming methods,they have been able to use less farmland than in the past.Their __5__of grain and other crops,however,is still the same.These and other farmers are starting to win small __6__in the great war against the__7__growth of the desert.

优质解答

依次是struggled output disturbing equip reduces circulating
would rather lead to are focused on thanks to are built up for keeps free from
decades struggle expanding equiped output output disturbing