患者，男，28岁。腰部撞伤3小时，出现血尿，首选的检查方法（）_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题 B型题

患者，男，28岁。腰部撞伤3小时，出现血尿，首选的检查方法（）

A.排泄性尿路造影

B.逆行肾盂造影

C.B超

D.MRI

E.腹部平片

答案

参考答案：C

填空题

N₅分子极不稳定，需保存在-80℃的干冰中，若置于通常状况下，它会以爆炸的方式进行反应生成氮气．该反应的化学方程式为______．火箭每发射1t设备，需要5t传统燃料（如液氢）．若使用N₅做燃料，这一比率可以改变．假如你是一个科学家，设计用N₅做燃料发射火箭，需要解决的主要问题是：

①______；

②______；

③______．

完形填空

The True Story of Treasure Island
It was always thought that Treasure Island was the product of Robert Louis Stevenson's imagination. ____, recent research has found the true story of this exciting work.
Stevenson, a Scotsman, had lived ____ for many years. In 1881 he returned to Scotland for a    . With him were his American wife Fanny and his son   ___.
Each morning Stevenson would take them out for a long      over the hills. They had been ___ _ this for several days before the weather suddenly took a turn for the worse. Kept indoors by the heavy rain, Lloyd felt the days ____. To keep the boy happy, Robert asked the boy to do some ____.
One morning , the boy came to Robert with a beautiful map of an island. Robert __ that the boy had drawn a large cross in the middle of ___ . "What's that?" he asked. "That's the _ _ treasure," said the boy. Robert suddenly _ ___something of an adventure story in the boy’s _ _ . While the rain was pouring, Robert sat down by the fire to write a story. He would make the _ _ a twelve-year-old boy, just like Lloyd. But who would be the pirate(海盗)?
Robert had a good friend named Henley, who walked around with the __ __ of a wooden leg. Robert had always wanted to   ____ such a man in a story. _ __ Long John Silver, the pirate with a wooden leg, was _ ___.
So, thanks to a___ ___ September in Scotland, a friend with a wooden leg, and the imagination of a twelve-year-old boy, we have one of greatest _ ____ stories in the English language.