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【简答题】
Some parts of the earth are more likely to have earthquakes than other parts. This is usually true of 1 _____________ areas because there the thickness of rocks is not even. It is easy to understand why people are so 2 _____________ by earthquakes. People used to believe that when an earthquake 3 _____________ , the ground opened, swallowed great numbers of people, and then it closed. It was also thought that those people would 4 _____________ forever. But now we know this is not what really happens. What we need to fear most is the effects of a serious earthquake, including fires, floods, and landslides. A powerful earthquake 5 _____________ in Yellowstone National Park on August 17, 1959. The earthquake was 6 _____________ and very strong. It also caused the worst landslides in US history since 1927. After the earthquake, some people said that they would never visit Yellowstone, because they were afraid they would be 7 _____________ in such a disaster caused by the earthquake. This is actually a foolish idea. Such a fear would 8 _____________ beautiful mountains for the rest of our lives. Even though earthquakes happen every day, such a powerful earthquake like the Yellowstone one does not happen frequently at all. We should feel 9 _____________ that very few of us will suffer such a bad natural disaster. Besides, if we know 10 _____________ and make careful preparations, the loss of lives could be avoided.
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【单选题】与水中毒相关的是
A.
高钠血症
B.
低血容量血症
C.
稀释性低钠血症
D.
浓缩性低钠血症
E.
高钾血症
【单选题】PowerPoint 2010版演示文稿文件默认的扩展名为( )。
A.
potx
B.
pps
C.
pptx
D.
ppt
【单选题】PowerPoint 2010版演示文稿文件默认的扩展名为( )。
A.
pptx
B.
pps
C.
ppt
D.
ppn
【简答题】某化合物 A ( C 5 H 6 ),能使溴的四氯化碳溶液褪色,该化合物与 1mol 溴化氢加成 B ( C5H7Br ), B 经臭氧化 - 还原水解生成 2- 溴戊二醛( OHCCH2CH2CHBrCHO ,试写出 A 、 B 的名称。 A ; B 。
【单选题】PowerPoint 2010版演示文稿文件默认的扩展名为( )。
A.
ppn
B.
pptx
C.
ppt
D.
pps
【单选题】PowerPoint 2010版演示文稿文件默认的扩展名为( )。
A.
pps
B.
pptx
C.
ppt
D.
ppn
【单选题】某化合物在氧气中完全燃烧,生成二氧化碳和水的质量比为22:9,则该化合物可能是:①C 6 H 12 O 6 ②C 3 H 6 ③C 2 H 2 ④C 2 H 5 OH(  )
A.
①②
B.
②③
C.
①③
D.
②④
【单选题】Powerpoint2010版演示文稿文件格式的扩展名是()?
A.
ppt
B.
mp3
C.
pptx
D.
ppts
【单选题】平常所说的手工绘图较为准确的是指( )
A.
尺规绘制工作图
B.
用绘图仪器画图
C.
绘制草图和工作图
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画草图
【判断题】稳定系数主要与构件的长细比、混凝土强度及配筋率有关。
A.
正确
B.
错误
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