打击犯罪是公安机关执法思想的核心。 ( )
参考答案：错
解析： 《中 * * 关于进一步加强和改进公安工作的决定》指出，执法为民是公安机关执法思想的核心。
Miss Li asked a question, but it was ________ that nobody could answer it. [ ]
A. very diffcult
B. too diffcult
C. diffcult enough
D. so diffcult
应记录设计和开发评审结果及跟踪措施。
