雅思入学测试.docx

精选文库
8
Section 1: Grammar (5 Mins)
In this secti on, you will be give n 5mins to do a mult iple choice about the huma n popu latio n will in crease by about three billi on people by the n. An estimated 109 hectares of new land (about 20% larger tha n Brazil) will be n eeded to grow eno ugh food to feed them, if traditi onal farmi ng methods con ti nue as they are p ractised today.
At present, throughout the world, over 80% of the land that is suitable for raising crops is in use. Historically, some 15% of that has been laid waste by poor man ageme nt p ractices. What can be done to en sure eno ugh food for the world ' s popu latio n to live on?
The concept of in door farming is not n ew, since hothouse p roduct ion of tomatoes and other p roduce has bee n in vogue for some time. What is new is the urge nt n eed to scale up this tech no logy to accommodate ano ther three billio n people. Many believe
‘ Vertical Farm
an en tirely new app roach to in door farmi ng is required, emp loyi ng cutt in g-edge tech no logies. One such propo sal is for the
The concept is of multi-storey buildings in which food crops are grown in en vir onmen tally con trolled con diti ons. Situated in the heart of urba n cen tres, they would drastically reduce the amount of transportation required to bring food to con sumers. Vertical farms would n eed to be efficie nt, chea p to con struc