I often wondered why the people of Pompeii did not run away before the volcano erupted. As it turns out, they didn’t know what a volcano was. In fact, the Romans did not even have a word for “volcano”. 小题1:They had no idea that a volcano would destroy them. Starting from 20 August AD 79, there were some earthquakes near the volcano. 小题2:然而,没有一个人很注意这些. Then, on 24 August, the mountain explored, pouring out a cloud of ash. It was also moving quite fast. Most of the human remains from Pompeii have been found on the roads away from the city. 小题3:The people were fleeing the city for their lives. However, they could not get away fast enough, 小题4:so they were buried beneath the ash. A famous Roman scholar happened to be on a boat nearby when all of this happened, so he went to the area to see what was going on. Even he didn’t know what a volcano was. 小题5:不幸的是他也死于这场灾难中.
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给动物个体检查脉搏的表示单位().
A.次/分
B.次/秒
C.次/时
D.次20秒
城市土地经济学研究城市土地利用过程及方式,以及在城市区域内因利用土地而引起的人与人之间的( )关系,并研究对于这种经济关系的调节手段和调节过程。
A.人际
B.经济
C.配合
D.利用
质点在x轴上运动,其位置坐标x随时间t的变化关系为x=2t2+2t-4,则其加速度a=___________m/s2。当t=0时,速度为___________m/s(x的单位是m,t的单位是s)。
关于骨折病人固定方法,正确的陈述是()。
A.皮牵引力量较大
B.骨牵引病人可早期下床活动
C.内固定复位准确,但是有创治疗
D.小夹板适用于四肢长骨的不稳定骨折
E.石膏绷带的优点是不随肢体肿胀而调节
试述骨折手法复位的手术要点。