【简答题】(10分)有一受预紧力 和轴向工作载荷F=1 000 N作用的紧螺栓连接,已知预紧力 =1 000N,螺栓的刚度C b 与被连接件的刚度C m 相等。试计算该螺栓所受的总拉力F 0 和残余预紧力F′′。
【单选题】On March 5th EU finance ministers agreed to______.
A.
give bankers cap as bonus
B.
limit bankers' revenues
C.
limit bankers' basic salaries
D.
give bankers a right to vote
【单选题】It is generally agreed that______were the first Europeans to reach Australia's shores.
【简答题】School news (June 8th, Friday) School trip: Students in Junior Two had a great time during the school trip on Children’s Day. They went to Ocean Park by bus. The teachers were very happy because the s...
【单选题】选取【横排文本工具】,在其选项栏内单击( )按钮,可以弹出【字符】面板和【段落】面板。
【单选题】The school agreed the students on the course.