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【判断题】
局域网的范围没有明确的界定，可能会局限于某一办公室，也可能是某一个学校A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】he bundling trade greatly facilitates transaction and allows more efficient ecnomic exchage.()
A.
正确
B.
错误
【单选题】下列哪个方法不能建立新图层（ ）
A.
双击图层调板的空白处
B.
使用鼠标将当前图像拖动到另一张图像上
C.
单击图层面板下方的新建按钮
D.
使用文字工具在图象中添加文字
【单选题】Trade can benefit society as a whole because it allows
A.
for a more efficient use of resources.
B.
for goods to be obtained at a lower opportunity cost.
C.
people to specialize in activities in which they have a comparative advantage.
D.
All of the above are correct.
【判断题】A free-trade area removes trade barriers between member countries, but allows the member countries to maintain their own trade barriers against trade with nonmember countries.
A.
正确
B.
错误
【单选题】The administration allows Thailand ______Indonesia trade benefits.
A.
but
B.
nor
C.
and so
D.
and
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