对楼地面层的要求有( )。
A．耐磨
B．光滑
C．平整
D．导热性好
E．弹性好
参考答案：A,C
Misunderstandings from lack of social communication，unless properly，may lead to serious problems．
A．arisen；handling
B．arising；handled
C．rising；handled
D．risen； handling
— Thank God you’re safe!
— I stepped back, just _______ to avoid the racing car.
A．in danger
B．in case
C．in time
D．in need
