下腔静脉造影最常做()穿刺插管。

A、布-加综合征是一种少见的下腔静脉和（或）肝静脉梗阻性疾病

B、从病理生理学分为原发与继发两类

C、原发性布-加综合征是指肝段或肝上段下腔静脉狭窄或闭塞，呈膜状或管状，肝静脉一支或数支于下腔静脉开口处受累

D、少数的原发性布-加综合征患者可以仅为肝静脉开口处狭窄闭塞，下腔静脉可通畅

E、继发性患者多继发于肿瘤、血栓形成、炎症或外伤等

B.下腔静脉后输尿管

C.先天性巨输尿管症

D.膀胱输尿管反流

E.输尿管下段结石

以上哪种疾病当病人碘过敏试验阳性时不必做逆行插管尿路造影，而仅需膀胱造影便能明确诊断()A.肾盂输尿管交界处狭窄

B.下腔静脉后输尿管

C.先天性巨输尿管症

D.膀胱输尿管反流

E.输尿管下段结石

A. 静脉胆道造影

B. 经皮肝穿刺胆道造影

C. 胆总管CT扫描

D. 静脉肾盂造影

E. 逆行肾盂造影

A.能量守恒B机械能守恒

C.质量守恒

D.动量守恒

A.升高

B.降低

C.不变

D.无法确定

The benefits of these hotels are convenience and price，usually around 2000-4000(USD 25-50) a night. They provide a place for those who may be too drunk to return home safely. About 30% at the Capsule Hotel were unemployed or underemployed and were renting capsules by the month. It was first offered to salary men who had missed the last train home, but now it is also poDular with travelers from all over the world. Therefore, it's going to gain more popularity.

21. The space of each capsule is quite().

A. limited

B. large

C. capacious

22. Most capsules are not equipped with()in the small sleeping space.

A.a TV

B. wireless internet connection

C. washrooms

23.Capsule hotels were first developed in().

A. Japan

B. China

C. UK

24. The benefits of these hotels do not incude ().

A. convenienced

B. comfort

C. price

25.The writer has a () attitude towards capsule hotels.

A. positive

B. negative

C. neutral

此题为判断题(对，错)。