转8A型转向架用滚子式滑槽制动梁的优越性是比悬吊式制梁动作灵活。
参考答案:错
单词拼写
小题1:Her son was filled with ________ (志向)to become a great inventor.
小题2:________ (宇航员)accept danger as being part of the job.
小题3:________ (数码)cameras began to appear last year.
小题4:That couple have come to terms on their________(离婚).
小题5:A mother shouldn’t show too much ________(偏爱) to one of her children.
小题6:All the firm’s employees are entitled to at least a ________(两星期)holiday with pay each year.
小题7:We must care for the weak who would ________(否则) fall by setbacks.
小题8:The smooth surface of the lake________(照出)the bright full moon.
小题9:I felt much ________(同情) for the blind.
小题10:Her________(天赋) for music was not appreciated.
Miller窥盘小方格内计数的红细胞总数是500个,大方格内(含小方格面积)计数的网织红细胞总数是180个,网织红细胞是()
A.0.02
B.0.04
C.0.05
D.0.06
E.0.07