【单选题】听力原文:Franklin Hall was built in memory of Benjamin Franklin who had done a lot of contributions to the country. (22)
A.
Benjamin Franklin designed the hall.
B.
Benjamin Franklin built it from memory.
C.
It was built for Benjamin Franklin's use.
D.
It was built in honor of Benjamin Franklin.
【简答题】'Declaration of Independence' was drafted by Benjamin Franklin alone.
【单选题】消除 组合定位时的过定位现象,以下方法中不正确的是( )
B.
采用自位元件,消除定位元件限制转动方向自由度
C.
改变定位元件的结构形式,如将短圆柱销改为削边圆柱销
D.
使定位元件可沿某一坐标轴移动,如车床上采用弹性顶尖
【单选题】以下对定位的理解正确的是( )
A.
有些工序中,不要求工件完全定位,但为安全起见,必须进行完全定位。
B.
在定位基准精度和定位元件精度都很高的情况下,过定位是可以存在的。
【单选题】The best title for this text would be'______'
A.
Benjamin Franklin: Statesman Extraordinary
B.
A Life of Successful Variety: Benjamin Franklin
C.
The Life and Times of Benjamin Franklin
D.
A Report on Franklin's Impact on Society