注册会计师审计的产生主要是由于( )
A.财产所有权与管理权分离
B.财产所有权与经营权分离
C.提高企业管理水平的需要
D.遵守《公司法》的需要
参考答案:B
My sister finds learning English ______, but I am very ______ in it.[ ]
A. frustrated; interested
B. frustrating; interesting
C. frustrated; interesting
D. frustrating; interested
什么叫做泵的气缚?