（12分）元明粉是重要的化工原料，右图是某品牌元明粉包装袋上的部分标签。 为测定

阅读下面短文，选择恰当的句子填入短文空白处，使短文内容完整、意思连贯。

     I still remember very clearly my first visit to the dentist with my mother. 1_____ And they all looked

nervous. 2_____ I sat beside my mother, and she told me a story from a children's magazine. Some time

later, a nurse called us and led us into another room. 3_____ I saw a lot of strange things around me and

I was frightened. Then the dentist looked into my mouth. 4_____ After that, he said my teeth were fine.

I was glad the examination was over and was anxious to leave. 5_____ Later on in my life whenever I had

a toothache, I wished I had listened to him carefully.

A. She told me to climb into a big chair.

B. So I paid no attention when he showed me the right way of tooth brushing.

C. I began to worry.

D. And he examined every tooth carefully.

E. When I walked into the office, ! saw many people waiting.

如图所示，把装满水的玻璃杯盖上纸片倒置过来，纸片不下落，此现象说明______存在；若仔细观察，会看到纸片向内凹，表明力可以改变物体的______．

气管插管的即刻并发症有（）。

A.牙齿脱落

B.高血压

C.心动过速

D.心律失常

E.颅内压增高

大型场地平整工程，当挖、填深度不大时，土方施工机械宜选用( )。

A．推土机
B．抓铲挖土机
C．正铲挖土机
D．反铲挖土机

踢角球时，攻方球员不得阻碍守门员的移动