（EMB145）液压失效时，如何操作方向舵？（）
A.电动操作
B.气源作动
C.人工备份操作
参考答案：C
The British Museum, I think, is ________________ during the summer break.
A．worth being visited
B．worthy of being visited
C．worthwhile to visit
D．worth while visting
性罪犯的行为特点有哪些？对性罪犯分类管束应注意哪些事项？
