建立除南北极地区以外的全球通信，需要至少（）颗同步卫星。A.3

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问题单项选择题

建立除南北极地区以外的全球通信，需要至少（）颗同步卫星。

A.3

B.5

C.1

D.9

答案

参考答案：A

选择题

___ three times in a row, the boxer decided to make a fourth attempt, though．

A．Having defeated

B．To have defeated

C．Having been defeated

D．To defeat

单项选择题

将嵌入在路径中的文本分离出来后，要应用哪个命令才能将文本还原为原来的外观（）。

A.“Arrange-ClearTransformations”

B.“Arrange-BreakParagraphTextinsideaPathApart”

C.“Text-FitTextToFrame”

D.“Text-FitTextToPath”