公安机关在刑事诉讼活动中,为了保证准确有效地执行法律,必须坚持同人民检察院、人民法院分工负责,互相配合,但不必坚持互相制约。
A.正确
B.错误
参考答案:错
— Excuse me, Sir, is the swimming pool open all day?
— ____. Only from 6:00 pal to 10:00 pm. [ ]
A. That's right.
B. Yes, of course
C. Sorry, I am not sure
D. Sorry, I'm afraid not
石油沥青的大气稳定性