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【单选题】
具有双向密封作用的密封件为:()
A.
U形密封圈
B.
V形密封圈
C.
O形密封圈
D.
Y形密封圈
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【简答题】科运达公司为增值税一般纳税人,销售货物适用的增值税税率为17%,2018年5月1日,应收账款明细账借方余额为1650万元,贷方余额为300万元;预收账款明细账借方余额240万元,贷方余额825万元,5月发生与应收款项有关的经济业务如下: (1)2日,收到A公司所欠货款351万元,款项已存人银行。 (2)9日,销售一批产品给B公司,商品现标价为600万元(不含税),科运达公司给予丙公司20%的商业折...
【判断题】无论工伤事故的责任归于用人单位还是职工个人或第三者,用人单位均应承担保险责任。
A.
正确
B.
错误
【单选题】读者在图书馆检索图书,应抄下什么号以便提取和归架?
A.
条码号
B.
种次号
C.
分类号
D.
索书号
【单选题】The weighted average cost of capital for a firm is the:
A.
discount rate which the firm should apply to all of the projects it undertakes.
B.
overall rate which the firm must earn on its existing assets to maintain the value of its stock.
C.
rate the firm should expect to pay on its next bond issue.
D.
maximum rate which the firm should require on any projects it undertakes.
【单选题】读者在图书馆检索书目时,应抄下什么号以便提取和归架?()
A.
分类号
B.
索书号
C.
登录号
D.
流水号
【单选题】The weighted average of the firm's costs of equity, preferred stock, and after tax debt is the:
A.
reward to risk ratio for the firm.
B.
expected capital gains yield for the stock.
C.
expected capital gains yield for the firm.
D.
weighted average cost of capital (WACC).
【判断题】The average atomic mass is the weighted average of all of the naturally occurring each element.
A.
正确
B.
错误
【判断题】The trade-weighted dollar is the weighted average of the exchange rates between the dollar and the most important trading partners of the United States.
A.
正确
B.
错误
【简答题】A.流感嗜血杆菌 B.百日咳鲍特菌 C.空肠弯曲菌 D.绿脓杆菌 E.幽门螺杆菌 常引起小儿的化脓性脑膜炎
【单选题】流感杆菌常引起
A.
脑膜炎
B.
心肌炎
C.
流感
D.
继发感染
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