题目内容:
Theproblemofbiotechisthat____.
A.itcan'tsolvealltheproblemsexistedindevelopingcountries B.thegeneticallymodifiedcropsintherichcountriesareneverrespondingtotheneedsofpoorcountries
C.itbringsdevastatingeffectsalongwithadvantages
D.itcan'tovercomethechallengeofdistributingfoodindevelopingcountries
参考答案:
答案解析: