拉索上端锚固于塔柱同一位置,成辐射状。这种索面的侧立面形式属于( )。
A. 辐射式
B. 平行式(竖琴式)
C. 扇形
D. 星式
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difficult的名词是______.
A. difficulty
B. different
C. difference
D. difficultly
I _____ to school on foot, but now I _____ so by bike.
A. ussed to go;used to doing
B. used; am used to do
C. used to going; am used to do
D. used to go;am used to doing
I grew ______ in England
A. with
B. by
C. for
D. up
斜拉桥的索面的侧立面布置形式应用最广泛的形式是( )。
A. 辐射式
B. 平行式(竖琴式)
C. 扇形
D. 星式