单选题74. A efficient B advanced C delicate D enoughAABBCCDD
单选题
74. A efficient B advanced C delicate D enough
A
A
B
B
C
C
D
D
参考解析
解析：
相关考题：
You use two user accounts for your computer: standard user and administrator. You log on to your computer as standard user but are unable to make advanced configuration changes. You need to make advanced configuration changes while you are logged on as a standard user.What should you do?（）A.AB.BC.CD.D
铰链四杆机构ABCD，如果以BC为机架（静件），当机构为双曲柄机构时，各杆的长度可为（）。A、AB=130 BC=150 CD=175 AD=200B、AB=150 BC=130 CD=165 AD=200C、AB=175 BC=130 CD=185 AD=200D、AB=200 BC=150 CD=165 AD=130
单选题A AB BC CD D