批价包括根据()进行的一次批价和根据()进行的二次批价。
参考答案:标准资费、用户资费
—I'll tell something about the change in your job tomorrow.
—You ________ me some time earlier.
A.ought to tell
B.would have told
C.must tell
D.should have told
内脏痛的特征是()
A.对切割、烧灼不敏感
B.对缺血不敏感
C.定位清楚
D.疼痛局限
E.疼痛常较轻