汤姆：因为肖恩是优秀的律师，所以，他有资格进入上流社会的会所。玛莉：但是因为肖恩酗酒，他本质上不是绅士，因此，他不会被上流社会会所接纳。玛莉的论证使用了以下哪项作为前提?（1）有些优秀的律师酗酒（2）绅士都不酗酒（3）所有绅士都将被上流社会会所接纳（4）被上流社会所接纳的都是绅士（5）酗酒的绅士都不会被上流社会会所接纳。

已知无风险报酬率为3%，市场风险溢价为4%，B企业的贝塔系数为1.2，企业目前的每股股价为37.5元，每股股利为1元，该企业销售量未来能实现可持续增长，请问该企业的可持续增长率是多少？

下列哪三项是正确的float变量的声明？

下列程序段执行后，变量x的值是（）。for(x=2;x<10;x+=3);

甲公司年初流动比率为2.2,速动比率1.0,当年期末流动比率为2.5,速动比率为0.8,下列各项中()可以解释年初与年末之差异。

新华公司的记账本位币为人民币，对外币交易采用交易日的即期汇率折算。2015年1月1日，以2.3美元/股的价格购入南方公司股票2000股作为交易性金融资产，当日的即期汇率为1美元=7.6元人民币，款项已付。2015年12月31日，由于市场变动，当年购入的南方公司股票的市场价格变为每股2.0美元，当日即期汇率为1美元=7.75元人民币。不考虑相关税费等其他因素的影响，关于新华公司交易性金融资产的处理，下列说法中正确的是（）。

12.1.TheworldisquicklyrealizinghowmuchitdependsonChina.2.Appleisreroutingsupplychains.Ikeaisclosingitsstoresandpayingstaffmemberstostayhome.Starbucksiswarningofafinancialblow.FordandToyotawillidlesomeoftheirvastChineseassemblyplantsforanextraweek.3.Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines.Desperatetoslowthefast-movingvirus,theChineseauthoritieshaveextendedthecountry’snationalholiday,andcrippledland,railandairtransport.Entirecitieshaveshutdown.4.Thefullextentofthehittothebroaderbusinessworldisnotyetclear.“Ourmembersaredealingwithvaryingdegreesofdisruptionintheirbusinesses,”saidJakeParker,theseniorvicepresidentoftheUS-ChinaBusinessCouncil.5.Iftravelrestrictionsandquarantinesareexpandedortheholidayextendedfurther,hesaid,“thatwillamplifytheseproblems.”Question:Whichofthefollowingcanbestreplace"virtually"in"Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines"?

13.1.TheworldisquicklyrealizinghowmuchitdependsonChina.2.Appleisreroutingsupplychains.Ikeaisclosingitsstoresandpayingstaffmemberstostayhome.Starbucksiswarningofafinancialblow.FordandToyotawillidlesomeoftheirvastChineseassemblyplantsforanextraweek.3.Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines.Desperatetoslowthefast-movingvirus,theChineseauthoritieshaveextendedthecountry’snationalholiday,andcrippledland,railandairtransport.Entirecitieshaveshutdown.4.Thefullextentofthehittothebroaderbusinessworldisnotyetclear.“Ourmembersaredealingwithvaryingdegreesofdisruptionintheirbusinesses,”saidJakeParker,theseniorvicepresidentoftheUS-ChinaBusinessCouncil.5.Iftravelrestrictionsandquarantinesareexpandedortheholidayextendedfurther,hesaid,“thatwillamplifytheseproblems.”Question:whichofthefollowingsentenceshastheword"idle"withthesamemeaningandusageasthatin"FordandToyotawillidlesomeoftheirvastChineseassemblyplants?"

公司的记账本位币为人民币，对外币业务采用交易发生日的即期汇率进行折算，按月计算汇兑损益。2016年1月20日出口销售产品一批，价款为120万美元，货款尚未收到，当日的市场汇率为1美元=6.25元人民币。1月31日的市场汇率为1美元=6.40元人民币；2月28日市场汇率为1美元=6.46元人民币。货款于3月25日收回，当日市场汇率为1美元=6.48元人民币。不考虑增值税等其他因素，则下列处理中正确的有（）。

1.TheworldisquicklyrealizinghowmuchitdependsonChina.2.Appleisreroutingsupplychains.Ikeaisclosingitsstoresandpayingstaffmemberstostayhome.Starbucksiswarningofafinancialblow.FordandToyotawillidlesomeoftheirvastChineseassemblyplantsforanextraweek.3.Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines.Desperatetoslowthefast-movingvirus,theChineseauthoritieshaveextendedthecountry’snationalholiday,andcrippledland,railandairtransport.Entirecitieshaveshutdown.4.Thefullextentofthehittothebroaderbusinessworldisnotyetclear.“Ourmembersaredealingwithvaryingdegreesofdisruptionintheirbusinesses,”saidJakeParker,theseniorvicepresidentoftheUS-ChinaBusinessCouncil.5.Iftravelrestrictionsandquarantinesareexpandedortheholidayextendedfurther,hesaid,“thatwillamplifytheseproblems.”Question:Whichofthefollowingcanbestreplace"virtually"in"Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines"?

1.TheworldisquicklyrealizinghowmuchitdependsonChina.2.Appleisreroutingsupplychains.Ikeaisclosingitsstoresandpayingstaffmemberstostayhome.Starbucksiswarningofafinancialblow.FordandToyotawillidlesomeoftheirvastChineseassemblyplantsforanextraweek.3.Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines.Desperatetoslowthefast-movingvirus,theChineseauthoritieshaveextendedthecountry’snationalholiday,andcrippledland,railandairtransport.Entirecitieshaveshutdown.4.Thefullextentofthehittothebroaderbusinessworldisnotyetclear.“Ourmembersaredealingwithvaryingdegreesofdisruptionintheirbusinesses,”saidJakeParker,theseniorvicepresidentoftheUS-ChinaBusinessCouncil.5.Iftravelrestrictionsandquarantinesareexpandedortheholidayextendedfurther,hesaid,“thatwillamplifytheseproblems.”Question:whichofthefollowingsentenceshastheword"idle"withthesamemeaningandusageasthatin"FordandToyotawillidlesomeoftheirvastChineseassemblyplants?"

甲投放100%致死量的毒药毒杀乙，2小时候乙必死无疑。在1小时50分钟的时候，张某开枪将乙击毙。甲的行为与死亡结果之间不存在因果关系，成立故意杀人罪未遂；张某的行为与死亡结果之间存在因果关系，成立故意杀人罪既遂。

某股票为固定增长股票，年增长率为4%，刚刚支付的每股股利为1.5元。目前无风险利率为5%，平均风险股票的风险溢价率为7.5%，该股票的β系数为1.2，则该股票的每股价值为（　　）元。

根据关系的完整性规则，一个关系中的主键（）。

关于关系模型完整性的说法，不正确的是（）。