引起错畸形的口腔不良习惯有().
A.咀嚼功能异常
B.咬下唇
C.吮指
D.唇系带异常
E.伸舌
参考答案:B, C, E
起重机静态试验载荷值取为额定载荷的()。
A.150%
B.125%
C.110%
D.100%
I don’t think there is _______ with the computer.
A.anything wrong
B.wrong anything
C.something wrong
D.wrong somethingk.