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【单选题】
Windows 7 窗口菜单命令后带有“ 表示 。A.
它有下级菜单
B.
选择该命令后可打开对话框
C.
文字太长,没有全部显示
D.
该菜单命令暂时不可用
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反馈参考答案：
举一反三
【单选题】The length of time that elapses between the day a firm purchases an inventory item and the day that item sells is called the
A.
operating cycle
B.
inventory period
C.
accounts receivable period
D.
accounts payable period
【单选题】导轨加工多段对接的较长床身,如6M龙门刨的床身是由3 段对接的,若没有设备来加工全长,只有分段加工,这就要保证三段床身导轨的几何形状,空间位置完全相对应。一般采取( )为基准的方法。
A.
做模具
B.
精密计算
C.
仿形加工
D.
做样板
【单选题】导轨加工多段对接的较长床身，如6M龙门刨的床身是由3 段对接的，若没有设备来加工全长，只有分段加工，这就要保证3段床身导轨的几何形状，空间位置完全相对应。一般采取( )为基准的方法。
A.
做模具
B.
精密计算
C.
仿形加工
D.
做样板
【单选题】— I passed my driving test at the first _____. — Congratulations! [ ]
A.
purpose
B.
desire
C.
attempt
D.
wish
【简答题】阅读理解 Children in the USA like K Day very much. K is for kites. March 7 is the day. On that day lots of children go out in the open air. They take their kites with them. One kite is very big. Others ar...
【简答题】阅读理解。 Children in the USA like K Day very much. K is for kites. March 7 is the day. On that day lots of children go out in the open air. They take their kites with them. Some kites are very big . Othe...
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