【单选题】How dirty your room is! You must . [ ]
【单选题】Using the containers to transport can keep the goods clean.
【单选题】MCS-51单片机的定时器T0用作计数方式时是 。
D.
由外部 计数脉冲计数, 一个机器周期加 1。
【判断题】The word “clean” must appear on a transport document, if a credit has a requirement for that transport document to be “clean on board”.
【单选题】明清两代有 “ 九省通衢 ” 、 “ 七省咽喉 ” 、 “ 京师门户 ” 之称的城市是( )。
【单选题】根据建设工程施工合同示范文本的规定,承包人按照工程师的指示完成新增附加工作后,给承包人增加的支付款属于( )。
【单选题】— _____ your sister often _____ her room? — Yes, she does. [ ]