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【单选题】
下列物质中不属于有机化合物的是( )。A.
CH 4
B.
C 2 H 5 OH
C.
CO 2
D.
CH 3 COOH
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皮皮学刷刷变学霸
举一反三
【单选题】Which statement about the bubble sort is false?
A.
It is easy to program.
B.
It is a high-performance sort.
C.
It compares only adjacent elements with one another.
D.
The bubble sort compares successive pairs of elements.
【简答题】Names of companies involved in bubble therapy research.
【简答题】转录空泡(transcription bubble)
【单选题】如果要创建一个公式,可以____。
A.
执行“格式/字符”命令,在“字体”对话框中进行设置
B.
执行“插入/对象”命令,在“对象”对话框中选择Microsoft 公式3.0选项
C.
单击“表格和边框”工具栏上的“创建公式”按钮
D.
使用“绘图”工具栏上的“创建公式”按钮
【单选题】How is flow of goods controlled?( )
A.
By hardware．
B.
By software．
C.
By people
D.
By both hardware and software．
【简答题】Match the words 1-6to the definitions A-F to complete the sentences. 1 A carrier A buys the imported goods in lagre quantities. 2 A consumer B. Imports and exports goods. 3 A trader C trans...
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