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【单选题】
对word文档页边距的正确说法有_____。A.
每页都要设置页眉边距
B.
每页都要设置上下左右边距
C.
可设置整个文档的页眉、页脚、上、下、左、右边距
D.
每页都要设置页脚边距
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反馈参考答案：
举一反三
【简答题】设数列 的前 项和 ，则 = ____________.
【简答题】设a≡b(modm)，若d|m和d|a，则d|b． 设a≡b(modm)，若d|a和d|b，则d|m?
【简答题】The export task is reported to have been
completed.
【单选题】Every year, we export sunflower seeds ____ large quantities _____ the fa r East
A.
in, to
B.
to, in
C.
in, in
D.
to, to
【单选题】All the preparations for the task ， andwe’re ready to start ．
A.
． completed
B.
． complete
C.
． had beencompleted
D.
． havebeen completed
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Most nations of the world export goods to other countries. Likewise, many impor...
A.
useful
B.
short
C.
full
D.
extra
【简答题】()是政府采购中最常采用的采购方式之一。
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