维修放射性仪器后，源室和仪器连接不牢靠，会造成什么事故？
参考答案：
维修放射性仪器后，源室和仪器连接不牢靠，会造成放射性源落井。
Big companies in Germany generally ________ the euro, while small manufacturers are nervous; big
banks are in favor; small ones are against.[ ]
A. consist of
B. complain of
C. approve of
D. dream of
什么是艺术批评？举例论述艺术批评的功能？
