【判断题】坚定的理想信念必须建立在对马克思主义的深刻理解上。
【单选题】包豪斯对设计教育最大的贡献是基础课,最先是由 ( ) 创立的,是所有学生的必修课。
【单选题】Lisa made a(n) _____ to help her husband with the problem, but failed in the end.
【单选题】The solution to the problem of making the lock stitch on a sewing machine is said to have been inspired by a nightmare.
【单选题】下列有关柴油机瞬态排放特性叙述正确的是 。
A.
起动工况 CO 、 HC 及微粒等有害物排放量比稳态的低;
B.
在加速开始阶段排气烟度明显增加,以后才逐渐减少;
【单选题】He couldn't explain the problem well, as he had only a(n) ______ knowledge of the subject.
【简答题】线路单元,接收方向: O/E 转换模块将接收到的 STM-4 光信号转换成______ 电信号,送给数据时钟恢复单元。数据时钟恢复单元恢复出______。把时钟信号和 STM-4 电信号送往 SDH 开销处理模块。 SDH 销处理模块对接收到的 STM-4 信号进行___________,并将开销处理后的净荷信号通过背板送往交叉连接单元。线路单元主要有:______________ 等光接口板。
【单选题】中国唐代出现了耕地更为灵活的(),使犁地更加灵巧和省力,效率更高。
【单选题】The two sides have successfully solved the problem ______ by history.
【单选题】There will need to be drastic changes to the world economy to fix the problem.