慢性胃炎的特异性症状是
A．无规律性上腹隐痛
B．上腹饱胀不适，特别在餐后
C．嗳气与泛酸
D．呕吐
E．以上均不是
参考答案：E
_ What are you going to do this afternoon?
_ My bike needs _______. I’ll have it ______.
A．to be repaired; to repair
B．repair; repaired;
C．repairing; repaired
D．to repaired; to be repaired
发热开始前，先出现寒战的原因是
A．体温调定点下移
B．体温调节中枢功能障碍
C．机体过度散热
D．机体产热量不足
E．体温调定点上移
