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【单选题】
对受轴向变载荷的紧螺栓连接，在限定螺栓总拉力的情况下，提高螺栓疲劳强度的有效措施是 。A.
增大被联接件的刚度
B.
减小被联接件的刚度
C.
增大螺栓的刚度
D.
以上答案都不对
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反馈参考答案：
举一反三
【单选题】The small shop owner often welcome nearby competition to ______ business.
A.
specify
B.
stretch
C.
stimulate
D.
survive
【多选题】一般资料：求助者，女性，17岁，高中二年级学生。 案例介绍：求助者一年多前，因严重的胃炎住院治疗，经历多种治疗，也为此误了学习，使求助者感到生病很可怕。求助者的母亲常常非常严肃地告诉她不认真洗手会得病的。以后，每次放学回家，都要认真洗手。总要洗好几遍手，还是担心手没洗干净。明知已经挺干净了，可仍然还是控制不住要再洗几遍，否则就心慌，总担心“手没洗干净。”每次吃饭前，都要反复洗手，还要数洗了几遍。近...
A.
焦虑情绪
B.
抑郁情绪
C.
强迫观念
D.
强迫行为
【单选题】The owner's equity in a business comes from two sources: ______. (1) Investment by the owner (2) Notes receivable (3) Earnings from profitable operation of business (4) Accounts receivable
A.
(2) and (4)
B.
(1) and (3)
C.
(1) and (2)
D.
(3) and (4)
【简答题】模板列中实现数据绑定时,(__)方法用于单向绑定,(__)方法用于双向绑定。(注意符号和大小写)
【单选题】Cash investments made by the owner to the business are reported on the statement of cash flows in the
A.
financing activities section
B.
investing activities section
C.
operating activities section
D.
supplemental statement
【单选题】Liquidity of a business is measured by______.
A.
the rate of return on owner equity
B.
the ratio of total revenue to total expenses incurred
C.
the ratio of current assets to current liabilities
D.
the ratio of income to costs
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