拔除左右上第二磨牙的最佳麻醉方法是（） A.颊、腭测局部浸润 _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 A1型题

拔除左右上第二磨牙的最佳麻醉方法是（）

A.颊、腭测局部浸润

B.颊侧近中局部浸润加上颌结节麻醉，腭侧行腭大孔麻醉

C.颊侧行上颌结节阻滞麻醉，腭侧行切牙孔麻醉

D.颊侧行上颌结节阻滞麻醉，腭侧行腭大孔麻醉

E.颊侧行眶下孔阻滞麻醉，腭侧行腭大孔麻醉

答案

参考答案：D

解析：拔除上颌第二磨牙选择的麻醉为上颌结节阻滞麻醉及腭大孔麻醉。故答案为D。

填空题

短文填空。

Earthquakes are one of the most terrible kinds of n __1__ disaster. We can't p __2__ them, and we

don't know when they will h __3__ . This makes earthquakes very d __4__ . Recently, there have been

big earthquakes in China, India and Japan.

What c __5__ earthquake? Well, all the countries and oceans on the earth are sitting on large plates

which surround the earth. These plates fit together like a big puzzle, and they move around. Earthquakes

happen when two plates slide against each o __6__ . The earth moves up or d __7__ , like an ocean

wave.

We don't know when the e __8__ will happen. But we can do s __9__ to keep ourselves s __10__ .

We can make tall buildings and houses stronger. And we must learn what to do if there is an earthquake.

问答题简答题

简述肉制品干制的目的