使用键盘选择Windows菜单项的方法是:按住下列哪个键的同时再按菜单项上的相应英文字母( )
A.Tab
B.Alt
C.Ctrl
D.Shift
参考答案:B
续签的ATA单证册只能变更单证册有效期限,其他项目均应当与原单证册一致。
The farmer had to wear heavy boots in the winter because the fields were too wet and()
A.earthy
B.solid
C.dusty
D.muddy