HP’s big success has much to do with Carly’s leadership and devotion.
查看答案
According to the passage, Carly was born a leader.
A. 对
B. 错
SunZhenyaoadmires Carly because she is the former Chairman and CEO ofHP.
A. 对
B. 错
空间中任意一个零件有（）个自由度。
A. 0
B. 1
C. 2
D. 3
对平面内任意运动的构件引入一个低副，他将减少（）个自由度。
A. 0
B. 1
C. 2
D. 3
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