轧制时，轧件头尾交替地往复进入轧机的机座进行轧制的方法，称穿梭轧制
参考答案：对
Look at the new house! It____ last year.[ ]
A. is built
B. has built
C. was built
D. is building
多发性硬化常见的临床表现不包括下列哪一项（）
A.共济失调
B.失语
C.视力下降
D.眼球震颤
E.核间性眼肌麻痹
