存查煤样的粒度应＜02毫米。
参考答案：错
解析：存查煤样的粒度应小于3毫米。
I have never seen _______________ before. What about you?
A．so a film
B．so a nice film
C．such a nice film
D．such nice a film
1 often hear her __.this song. Listen! Can't you hear her___ in the next room?.
A. sing; sing B. singing; singing C. sing; singing
C. sing; singing