食管支架一般最高不能靠近环状软骨几厘米处？（）
A.2cm
B.3cm
C.4cm
D.5cm
E.以上都不对
参考答案：B
You still see his plays________English and________ many other languages. [ ]
A. with ; with
B. in ; in
C. with ;in
D. in ; with
轧辊是由（）、辊颈和辊头三部组成。
