第二节：语法填空（共10小题；每小题1.5分, 满分15分）
SHANGHAI---- Chinaannounced a huge economic stimulus plan on Sunday aimed ___16___ bolstering (促进) its ___17____ (weak) economy, a move ___18____ could also help fight the effects of the global showdown.
China said it would spend ___19____ estimated $586 billion ---- about 7 percent of ____20___ gross domestic product (GDP) ---- over the next two years to construct new railways, subways and airports and ___21___ (build) communities destroyed by an earthquake in the southwest in May of 2008.
