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【单选题】
初步可行性研究阶段投资估算的精确度可达到（）A.
±30%
B.
±20%
C.
±10%
D.
±5%
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举一反三
【简答题】文件传送协议FTP的主要工作过程是怎样的?FTP使用的两个端口号分别是什么?
【单选题】It is the news that all sloths have been waiting for. Scientists in Germany have found that too much exercise is bad for you and that doing less could lengthen your life. In a new book called The Joy ...
A.
ordinary people.
B.
lazy bones.
C.
lazy habits.
D.
retired professors.
【单选题】It is the news _____ the spaceship succeeded in returning to the earth _____ has spread all over the country.
A.
that; which
B.
which; that
C.
which; which
D.
that; that
【简答题】募集设立: 股东必须在 公司设立 时 缴纳 全部出资 ,并且发起人认购的股份必须 等于或大于 公司股份总数的( ) ,法律法规另有规定的除外。
【单选题】______that the flowers were bright as by day.
A.
So bright the moonwas
B.
How bright the moon was
C.
How bright was the moon
D.
Sobright was the moon
【简答题】文件传送协议FTP的主要工作过程是怎样的?为什么说FTP是带外传送控制信息?主进程和从属进程各起什么作用?FTP使用的两个端口号分别是什么?
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