The new report says almost two hundred thousand people move ______ cities and towns each day.
A. onto
B. into
C. around
D. upon
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They also carry out research work aimed ______ extending man’s knowledge of these objects.
A. at
B. by
C. to
D. in
To a consumer, the most visible form of e-commerce consists ______ online ordering.
A. on
B. of
C. for
D. to
用鼠标器左键双击某个工作表标签,该标签为黑色显示,可对该工作表进行( )。
A. 删除操作
B. 复制操作
C. 编辑操作
D. 重命名操作
下列( )可能是EXCEL2016工作表的默认名称。
A. XIstay
B. EXCEL
C. Sheet4
D. Tablel