According to the surveys in the U. S., _____.［A］ bullying among adults is also rising ［B］ parents are not supervising their children well［C］ parents seldom believe bullies ［D］ most parents resort to calling to deal with bullying
According to the surveys in the U. S., _____.
［A］ bullying among adults is also rising ［B］ parents are not supervising their children well
［C］ parents seldom believe bullies ［D］ most parents resort to calling to deal with bullying
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用SQL语言检索选修课程在5门以上（含5门）的学生的学号、姓名和平均成绩，并按平均成绩降序排序，正确的命令是A）SELECT S.学号，姓名，平均成绩FROM S,SC; WHERE S.学号=SC.学号； GROUP BY S．学号HAVING GOUNT（*）=5 ORDER BY平均成绩DESCB）SELECT学号，姓名,AVG（成绩）FROM S,SC; WHERE S．学号SC.学号AND COUNT（*）＞＝5； GROUP BY学号ORDER BY 3 DESCC）SELECT S.学号，姓名，AVG（成绩）平均成绩FROM S,SC; WHERE S.学号=SC.学号AND COUNT(*)=5; GROUP BY S．学号ORDER BY平均成绩DESCD）SELECT S.学号，姓名，AVG(成绩）平均成绩FROM S,SC; WHERE S.学号=SC.学号； GROUP BY S．学号HAVING COUNT（*）=5 ORDER BY 3 DESC
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What is the purpose of the FOMC meeting?A．Making decisions on investment portfolio of the FRBB．Making decisions on monetary policy.C．Making decisions on fiscal policy.D．Making decisions on exchange rate of U. S. dollar.
Which is the right order of what happened? ( )a．My family moved from Russia to the U． S． A．b． I met Larry Page．c． I was given a computer as a birthday present．d．Google was born in an ordinary garage in California．e．I graduated from the university in Mathematics and IT．A． a-c-e-b-dB． c-a-b-e-dC． a-c-b-d-eD． c-b-a-e-d
Which of the following best summarizes the U. S. economic situation today?［A］American economists are painting a gloomy picture.［B］It is slowly warming up with moderate growth.［C］Recession may come back anytime in the coming months.［D］Most sectors are picking up at a surprisingly fast pace.
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给定关系模式R(A，B，C，D.、S(C，D，E.，与π1,3,5(σ2='软件工程'(R?S))等价的SQL语句如下：SELECT （ ） FROM，SWHERE （请作答此空） ；下列查询B="信息"且E="北京"的A、B、E的关系代数表达式中，查询效率最高的是 （ ） 。A.B=软件工程ORR. C=S. CAND.R. D=S. DB.B='软件工程'ORR. C=S. CANDR. D=S. DC.B='软件工程'ORR. C=S. CORR. D=S. DD.B='软件工程'AND.R. C=S. C.AND.R. D=S. D
A.B=软件工程ORR. C=S. CA.ND R. D=S. DB.B=‘软件工程’ORR. C=S. CA.NDR. D=S. DC.B=‘软件工程’ORR. C=S. CORR. D=S. DD.B=‘软件工程’A.ND R. C=S. C A.ND R. D=S. D
单选题According to Hudson Institute researchers, the effect of the early retirement of qualified workers in the U. S. economy is ______.AconstructiveBsignificantCinconclusiveDdetrimental
单选题The second paragraph is written chiefly to show that ______.Athere will be an acute labor shortage in the near futureBbaby-boomers contribute much to the U. S. economic outputCgovernment policies concerning older people are out-datedDolder workers are enthusiastic about collecting social benefits
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单选题According to Charles Muscatine, most universities in the U. S. ______.Aplace less emphasis on technology.Bare ready to make informed moral decisions.Cattend to society’s need for technology.Dare the right places for students with high moral standards.
单选题What is the author’s attitude toward the U. S. health care system?APrejudiced.BCritical.CSympathetic.DApproving.
单选题According to this passage, which of the following statements is FALSE?AMany employees don’t like a conservative dress code.BComfortable clothes make employees more productive.CA casual clothes code is welcomed by young employees.DAll the employers in the U. S. are for casual office wear.
单选题Some medical care is paid by the U. S. government for _____.Apeople living in the countryBnon-government officialsCpeople with insuranceDthe poor and the old
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问答题Practice 10 The U. S. Dollar is the currency most often used in international trade. If the currency of export sales is different from the currency of the exporting country, for example a Japanese exporter sells in U.S. Dollars, the exporter may encounter exchange risks-risks from fluctuations in exchange rates, for example between the U. S. Dollar and the Japanese Yen. In case of the Yen appreciation at the time of converting the U.S. Dollar to the Yen, the exporter will get less Yen per U.S. Dollar. Conversely, in case of the Yen devaluation the exporter will get more Yen per U.S. Dollar. Hence, in time of currency appreciation in the exporting country, it is important that the exporter ships the goods earlier, unless an earliest date for shipment is stipulated in the L/C or has been agreed upon between exporter and importer, and present the negotiating documents to the bank immediately. The exporter may contract with the bank to sell the U.S. Dollar forward in a so-called forward exchange, at a predetermined rate on an agreed future date, thus he/she will not be affected by the currency appreciation and will receive a fixed amount in his/her own currency at a future date.
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