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【单选题】
由于世界各国(各地区)之间的文化传统、风俗民情、禁忌习惯不同,游客的思维方式、价值观念、思想意识各异,这就决定了导游服务工作( )的特点。A.
独立性强
B.
脑体高度结合
C.
复杂多变
D.
跨文化性
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【单选题】Echo-sounder is usually installed at the bottom of observation ship. The water line of ship is 15m. The sound speed is meanly 1500m/s. The time interval between receiving and launching sound wave is 3...
A.
2265m;
B.
4515m;
C.
2235m;
D.
4485m.
【单选题】某投资者的投资组合中包含两种证券A和B,其中30%的资本投入A,预期收益率为12%,70%的资本投入B,预期收益率为8%,则投资组合预期收益率为( )
A.
10%
B.
9.2%
C.
10.8%
D.
9.8%
【简答题】Directions: Now, listen to the dialogue again to answer these questions. 1. What is good about a five-disc CD player? 2. Why does the customer like the direct access feature? 3. What kind of CD playe...
【简答题】一、根据句意或汉语提示填写单词。 1.Nothing is if you put your heart into it. 2.The math problem is so hard that of us can work it out. 3. travels much faster than sound. 4.How many study ( 组 )are there in your class?...
【简答题】How is the sound signal saved in the digital circuit?
【简答题】dfgbsdf.xcv,b.fa/sd.fgsd,ftgertlegsmdfgsdf/g.,cv.,/d,fgmsdlf/sd,.asdfgm,l;rtklsdfgmsd/.vmdfklgjrelgdf/gsd.fg,sdmf/ger.tkljertlaw;em/fsd.,smdf.gmsdrkltjekrl;gdfmg./,mmd.sf,gsd
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