下列哪个不是干啰音的特点
A．音调较高
B．持续时间长
C．呼气时明显
D．干啰音强度和性质固定
E．干啰音瞬间内数量可呀显增减
参考答案：D
_______ in a friendly way, their quarrel came to an end.
A．Being settled
B．Settled
C．Settling
D．Having settled
人力资源是第一资源。
