下列哪项不是判断风湿活动的指标（）
A.发热、乏力
B.红细胞沉降率增快
C.CRP增高
D.ASO升高
E.心电图示P-R间期延长
参考答案：D
Although it is _____ to watch programs on TV sometimes, I think people shouldn’t spend all the time watching it.
A．worthwhile
B．worthy
C．worth
D．worthy of
乙方每日工作时间不超过（）小时。
A.6
B.8
C.10
D.12
