随动调节系统的给定值是一个随时间变化的已知函数。()
参考答案:错
I don’t like this story. It’s______ that one.[ ]
A less interesting as
B as interesting as
C not so interesting as
D more interesting than
急性胰腺炎血清淀粉酶升高是在发病后()
A.6小时
B.8小时
C.10小时
D.12小时
E.16小时