求高手解答英语选词填空

求高手解答英语选词填空
1 score 2 however 3 candidate 4 establish 5 across 6 negtive 7 present 8 reform 9 addition 10 fatal 11 regulations 12 reduced 13 frequent 14 since 15 portion
The European Union (EU) is about to undertake the biggest enlargement of its borders ever.[ 1 ] in 1957 with 6 member countries,the EU now has 15 member states after undertaking four separate enlargements [ 2 ],none reached the scope of the current enlargement.Thirteen countries have applied to join the EU and twelve countries are active negotiating accession at [ 3 ].The European Commission estimates that both the EU and the [ 4 ] countries will benefit from enlargement.The U.S.Government support EU enlargement as a means to build stability and cooperation [ 5 ] the European continent.U.S.companies are likely to benefit from [ 6 ] transaction costs resulting from the harmonization of standards and other [ 7 ] for doing business.U.S.exports to the candidate countries should face lower tariffs on accession,[ 8 ] the EU's common external tariff is generally lower than the tariffs currently applied by the candidates.In [ 9 ],opportunities for U.S.investment will expand as the candidates undertake economic [ 10 ],create attractive financial markets,strive to improve firms' competitiveness,and adopt the EU's open and transparent investment regime.