皮皮学，免费搜题
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【单选题】
为了防止曲轴箱油迅速氧化变质,应控制滑油的使用温度一般不高于( )。A.
50℃
B.
65℃
C.
80℃
D.
90℃
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【多选题】20世纪80年代以来，随着改革开放，国际学术交流日益频繁，西方先进的理论引入我国，它们包括：（）。
A.
皮亚杰的儿童发展理论
B.
弗洛伊德的精神分析理论
C.
巴班斯基的教学过程最优化
D.
布朗芬布伦纳的人类发展生态学
E.
杜威实用主义教育理论和儿童中心主义
【单选题】If the covered interest differential is zero, ( )
A.
International investments will be unprofitable.
B.
Parity has not been reached.
C.
The overall covered return on a foreign-currency investment equals the return on a comparable domestic-currency investment.
D.
A currency is at a forward premium by as much as its interest rate is higher than the interest rate in the other country.
【简答题】利率抛补套利关系(covered interest arbitrage relationship)
【单选题】If the covered interest differential is zero, then:
A.
covered international investments will be profitable once we add in the interest earned on the foreign bonds.
B.
covered interest rate parity has not yet been reacheD.
C.
the overall covered return on a foreign-currency investment equals the return on a comparable domestic-currency investment.
D.
a currency is at a forward premium by as much as its interest rate is higher than the interest rate in the other country.
【简答题】抵补利率平价(covered interest—rate parity)
【多选题】网络管理员选择的交换机将在网络核心层工作。为了实现最佳网络性能和可靠性,该交换机应该支持哪三项功能?(选择三项。)
A.
端口安全
B.
安全策略
C.
万兆以太网
D.
服务质量 (QoS)
E.
热插拔硬件
F.
以太网供电 (PoE)
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