胰头癌区别于其他壶腹周围癌的常见特点是A．PTCD显示胆管下端梗阻B．血管造影提示门

He is listening _____, but he can ____ hear anything.

A．hardly; hardly

B．hard; hard

C．hardly; hard

D．hard; hardly

钴铬合金铸造卡环的卡臂尖进入基牙倒凹的深度一般为

A．0.1mm

B．0.25mm

C．0.5mm

D．0.75mm

E．1.0mm

下列疾病与脂质代谢有关的是（）

A.白塞病

B.斑驳病

C.黄褐斑

D.黑变病

E.黄瘤病

Since the energy crisis, these big cars have become a real liability. They cost too much to run.()

A. lack of reliability

B. substitute

C. costly means of transport

D. disadvantage

FID.IC.《施工合同条件》规定，对承包商索赔同时给予工期、费用、利润补偿的情况有（）。

A.延误移交施工现场

B.不可预见的外界条件

C.非承包人原因检验导致施工的延误

D.业主提前占用工程

E.不可抗力事件造成的损失