It was great shock to the world that two Chinese astronauts orbited Earth for five days i

问题补充：

It was great shock to the world that two Chinese astronauts orbited Earth for five days in Shenzhou VI in October .

A. 不填；不填

B. the; the

C. a; the

D. 不填；the

答案：

A. 不填；不填

B. the; the

(答案→)C. a; the

D. 不填；the

解析：考查冠词的用法。句意“两位航天员乘‘神舟五号’飞船环绕地球五天的消息震惊了世界。”指震惊人的事情时，shock是可数名词，用a修饰；特指“神舟五号”飞船用the。故选C。