一般汽车空调压缩机皮带松紧度用（）方式调整。
A.张紧轮
B.移动空调压缩机
C.更换皮带
参考答案：A
瘀血口渴的临床特征是：
A．渴而饮不多
B．大渴引饮
C．饮后漱水不欲咽
D．渴而饮水，水人即吐
E．以上均不是
He had hardly finished his meal ________ a familiar voice came to his ears.[ ]
A. why
B. where
C. when
D. while
