我国现行盲文只有()的标调率,视觉障碍儿童对同音词的辨别与理解容易发生疑义。
参考答案:5%
Maria is going to buy a doll _____ Kangkang _____ a birthday present. [ ]
A. for; as
B. for; like
C. to; as
D. to; like
对于30号提速道岔,采用各种外锁闭装置和转辙机时,均为每个牵引点()转辙机牵引.
A.1台
B.2台
C.3台
D.4台