【单选题】患者,男性,41岁,于饱餐、饮酒后突然出现中上腹持久性剧烈疼痛伴反复恶心、呕吐出胆汁。查体腹壁压痛,腹壁轻度紧张,测血清淀粉酶明显增高。以下提示急性胰腺炎预后不良的是( )
【单选题】患者,男性,41岁。于饱餐、饮酒后突然出现中上腹持久剧烈疼痛,伴有反复恶心,呕吐出胆汁。查体:上腹壁压痛,腹壁轻度紧张,测血清淀粉酶明显增高。以下提示急性胰腺炎预后不良的是
【判断题】为了第一道环受热状况,某些柴油机活塞在第一道环槽下方设隔热槽,改变顶部热流方向,将部分原来由第一道环散走的热量分散到第二、三道环散走。()
【单选题】20岁男患,因突然上腹疼伴剧烈呕吐24小时,体检:血压10/8kPa心电图示心肌损害,血尿淀粉酶增高,诊断急性坏死性胰腺炎。以下提示急性胰腺炎预后不良的是:()
【单选题】The example of tadpoles, fish eggs and waterfowl is used to show that the activities of man could give rise to ______.
A.
protecting the enviornment
B.
helping to balance nature
C.
negative chain reactions
D.
killing all the living things
【单选题】--- Would you have called her up _____ possible?
A.
- Yes, but I _____ busy doing my homework.
D.
if it had been … had been
【单选题】The regulatory activities of state governments included all of the following EXCEPT______.
A.
licensing of retail merchants
B.
inspecting materials used in turnpike maintenance
C.
imposing limits on price-fixing
【判断题】申请课程免修,必须在课程开课前向学校提出申请。