单项选择题
Growing ties between China’s traders and their partners in Taiwan and Hong Kong are creating an unofficial but （formidable） “greater China” trade bloc.（）
A. formal B. powerful C. fundamental D. rational
单项选择题 Economicproblemswere（exacerbated）bythreebadharvestswiththeresultthatnationalincomeandthevolumeofforeigntradecontractedduring1960—1962.（）
单项选择题 Thefollowingyear，ataxlawforjointventurewas（promulgated）.（）
