（）是实际发生装卸作业项目的凭证和清算的依据。
A.货票
B.杂费收据
C.装卸作业单
D.派班单
参考答案：C
— I hear they aren't pleased with the house you've chosen for them.
— Well, _____ could they live in such comfort? [ ]
A. where else
B. what else
C. how
D. why
墨菲征阳性多见于
A．急性胆囊炎
B．急性胰腺炎
C．胃十二指肠溃疡穿孔
D．胆总管结石
E．胆道蛔虫
