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【单选题】
在 AI 中,将一个对象快速复制一次的方式是:按住 Alt 键的同时用鼠标移动对象,之后要想按这种方式多次复制该对象,只需要点( )完成快捷操作。A.
Ctrl +D
B.
Ctrl+C
C.
Ctrl+X
D.
Ctrl+G
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A.
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C三种元素的名称、元素符号、原子结构示意图和电子式。
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A.
This is in large due to its broadly based tax structure．
B.
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C.
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D.
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E.
The combined value of oil and gas production was$2．8 billion．
F.
Some 16，000 employees work in the extractive industries and their wages are among the highest of any major industry．
G.
The$39 million earned by these funds in l 991 was used to finance education and other public services． (8)__________
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