高位小肠梗阻的早期治疗应用A．小肠切除B．有效的胃肠减压C．抗生素D．进食和补液E．

The world would be a very different place if someone hadn’t invented the lift. There would be few, if any, high-rise buildings because people would refuse to climb many stairs. By the time workers reached their offices on the top floors of a tower building, it would be time to go home – if they were not too tired for the long walk down！

The first lift that we know about was used by the Greek scientist, Archimedes, in about 230 BC. It was a simple place that could be pulled up and down with a rope. A lift like this was used much later in the 12^th century by priests who lived on top of a mountain at Metereo in Greece. Because they were afraid of killers, the priests had not built any stairs up the mountain. The only way up was by lift, which priests worked from the top of the mountain.

A few hundred years later, a Frenchman, Villayer, invented a ‘flying chair’ which used a rope and a place. A number of rich people had these ‘flying chairs’ built in their homes, including Queen Anne of England in Windsor Castle and Louis XVI of France at Versailles. Unluckily, Louis’ daughter was badly hurt when using one of the chairs, and Villayer ran away, afraid that he would be punished.

The main problem for lift engineers was that either humans or animals were needed to pull the ropes. This problem was not worked out until the discovery of steam power. But even steam powered lifts were not always safe because they also used ropes which sometimes broke. If the rope broke - which it sometimes did - the lift fell to the ground and people in it were killed or hurt. This problem worked out in 1854 when an American, Elisha Otis, invented something which stopped the lift from falling if the rope broke. At first Otis lifts were used only in factories, then in 1857 he built one in a large New York store. Now lifts use electric power and are completely safe. They also travel very quickly. Some lifts travel faster than 60 kilometers an hour.

小题1:The writer thinks that lifts are important today because __________.

A．people like playing on them

B．they are the best way of using steam power

C．we need them for tall buildings

D．workers are lazy小题2:The 12^th century priests had a simple lift instead of stairs because ___________.

A．they thought the stairs were broken

B．they liked having stairs and a lift

C．the lived at the bottom of a mountain

D．they were afraid of killers小题3:Villayer thought he would be punished because ____________.

A．poor people could not afford his ‘flying chair

B．someone was hurt in one of his ‘flying chairs’

C．his ‘flying chair’ did not work at all

D．he ran away with Louis XVI’s daughter小题4:Steam power meant that ________  .

A．they did not need a living thing to pull the ropes

B．Elisha Otis could invent a lift that would not fall

C．the rope always broke

D．they could use lifts in factories

患者男性，38岁。腹部疼痛4小时入院，患者于4小时前因大量饮酒后突发腹部疼痛，为剑突下持续性疼痛，休息后无缓解，疼痛不随体位而减轻，并伴有呕吐、腹胀，无呕血、黑便，无发热、咳嗽、气促、心悸等不适，患者既往有胃、十二指肠溃疡病史，无外伤史、肝炎病史。

应予以哪些检查（）

A.腹部B超

B.血常规

C.凝血功能

D.胸片

E.肾功能

F.大便常规＋隐血试验

G.腹腔穿刺

在母体子宫中的胎儿是通过下列哪一结构从母体获得营养的？（　　）

A．羊水

B．胎盘

C．脐带

D．子宫壁

下列关于房性期前收缩正确的是（）

A.主要见于有器质性心脏病患者

B.通常无需治疗

C.烟酒、咖啡等可诱发

D.当因其触发室上性心动过速时应予治疗

E.患者多无明显症状

选择和确立幼儿园的课程目标有哪些依据？