越严肃的场合眼神注视的范围越大。
参考答案：错
— Do the dishes, Mike, or I will tell mum!
— _______, Sue!
A．You are welcome
B．Mind your own business
C．It’s my duty
D．Never mind
锚杆安装间距、排距允许偏差（）。
A.±10mm
B.100mm
C.±100mm
