An explosion blew the roof off an unstable reactor north of Tokyo, ____ fears of a disaster at a nuclear plant ____ in the massive earthquake that hit Japan.
第二部分:英语知识运用(共两节,满分45分)
第一节、单项选择(共15小题,每小题1分,满分15分)
Chinese Vice-Premier called on Thursday for _____ all-out effort to ensure _____ food and drug safety.