不属于旧机电的是( )。
A.旧打印机
B.旧电饭锅
C.旧工程机械
D.旧钢轨
参考答案:D
解析: 旧机电是指已经使用过的机电产品,如旧压力容器类、旧工程机械类、旧电器类等。
You must ________ your handwriting. I can’t read your homework.[ ]
A. improve
B. raise
C. notice
My mother says a teaching machine has to be ______ to fit the mind of each boy and girl it teaches and that each kid has to be taught differently.
A.modified
B.considered
C.adjusted
D.remanufactured