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【单选题】
已知某三极管的集电极电阻RC=1KΩ,电源电压UGB=6V三极管的发射极直接接地,则三极管截止时的集电极电流IC为( )。A.
6mA、
B.
∞
C.
0
D.
5.3mA、
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【单选题】类人猿型骨盆的特点是
A.
骨盆各径线均较正常小2cm
B.
骨盆3个平面横径均缩短，前后径稍长，坐骨切迹宽
C.
两侧骨盆壁向内倾斜
D.
骨盆入口肾形，骶骨下段后移，入口前后径明显缩短
E.
骨盆入口前后径缩短，横径正常
【单选题】A charter-party usually contains a clause stating that the master is to be under the orders of the（）as regards employment，agency or other arrangements.
A.
Shipowner
B.
Charterer
C.
carrier
D.
shipper
【单选题】骨盆出口横径是指
A.
坐骨结节前端外侧缘之间的距离
B.
坐骨结节前端内侧缘之间的距离
C.
坐骨结节中段外侧缘之间的距离
D.
坐骨结节后端外侧缘之间的距离
E.
坐骨结节后端内侧缘之间的距离
【单选题】Orders of the Master to the officer of the watch which he must comply with are ______.
A.
Night orders
B.
Standing orders
C.
Commands by master
D.
Requirements by master
【单选题】[9-53]Orders of the Master to the officer of the watch which s/he must comply with are ___.
A.
Night orders
B.
Standing orders
C.
Commands by master
D.
Requirements by master
【单选题】Orders of the master to the officer of the watch which she/he must comply with are ________.
A.
Night Orders
B.
Standing Orders
C.
commands by master
D.
requirements by master
【单选题】[9-53]Orders of the Master to the officer of the watch which s/he must comply with are ___.#值班驾驶员应遵守的船长的命令是()
A.
Night orders 夜航命令
B.
Standing orders 常规命令
C.
Commands by master 船长的命令
D.
Requirements by master 船长的要求
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