【单选题】It is not necessary to remove the lint from the filter every time the drier is used.
【单选题】Windows资源管理器是用于管理文件和文件夹的()
【单选题】It is not necessary to carry cash instead of dollar travellers' cheques because the latter can be ______.
A.
used for phones, bus fares and hotel reservations
B.
exchanged easily, even at car rental companies
C.
used like credit cards, even in remote areas
D.
used to pay in restaurants and big stores
【单选题】在WINDOWS98中,管理文件和文件夹的管理工具通常是()。
【单选题】测量仪器由机械式发展为光学式,是由( )的发明推动的。
【单选题】( )是Windows管理文件的特征,与MS-DOS的目录类似。