下列代码输出为（ ）： class Father{ public void F() { Console.Write("A.F"); } public virtual void G() { Console.Write("A.G"); } } class Son: Father{ new public void F() { Console.Write("B.F"); } public override void G() { Console.Write("B.G"); } } class override_new{ static void Main() { Son b = new Son(); Father a = b; a.F(); b.F(); a.G(); b.G(); } }
下列代码输出为（ ）： class Father{ public void F() { Console.Write("A.F"); } public virtual void G() { Console.Write("A.G"); } } class Son: Father{ new public void F() { Console.Write("B.F"); } public override void G() { Console.Write("B.G"); } } class override_new{ static void Main() { Son b = new Son(); Father a = b; a.F(); b.F(); a.G(); b.G(); } }
电路中a.G两点的电位分别是Ua=10V,UG=-5V,则a点对G点的电压是15V（）
电路中a.G两点的电位分别是Ua=10V,UG=-5V,则a点对G点的电压是15V（）
哪种碱基不是构成DNA的成分: A: A.G B: B.A C: C.T D: D.C E: E.U
哪种碱基不是构成DNA的成分: A: A.G B: B.A C: C.T D: D.C E: E.U
分泌生长抑素的是（）。 A: A．G细胞 B: B．A细胞 C: C．D1细胞 D: D．D细胞 E: E．PP细胞
分泌生长抑素的是（）。 A: A．G细胞 B: B．A细胞 C: C．D1细胞 D: D．D细胞 E: E．PP细胞
Maya软件中，将模型打组的快捷键是什么？( )A.G键 B.CTRL+G C.A键 D.F键 A: A B: B C: C D: D
Maya软件中，将模型打组的快捷键是什么？( )A.G键 B.CTRL+G C.A键 D.F键 A: A B: B C: C D: D
请仔细阅读原题及各选项，并将选项按照原题顺序填写在下方的空格处，每一空格只填一题选项。另外，请注意选项有大小写之分，所以请按原文的选项大小写填写。例如：选项为A.则填写A;若选项为a.则填写a。Directions:ThefollowingAtoIsentencesareinarandomorder.Pleasechoosethebestanswerforeachquestion:A.Gettingyourthoughtsdownonpaperisnotthefinalstageofwritingagoodparagraphoressay.B.Thereremainstherewritingofthefirstdraftsoastoshapeyourideaintoacarefullystylecomposition.C.Finally,forsmoothnessandbalance,changesaremadebetweensentencesorparagraphs.D.Adifferentwordmaybesubstitutedfortheoriginalwordbecauseitiseasiertounderstand,ismorecolorful,givesamoreprecisemeaning,orprovidesvariety.E.Ordinarily,editinginvolveschangesatthreepoints:inindividualwords,withinsentences,andbetweensentences.F.Atthesentencelevel,phrasesmaybeputindifferentorder,structuresofmodificationrevised,differentverbstructuresselected,orthelengthofphrasesorwholesentencesmaybealtered.G.Atthewordlevel,spellingandcapitalizationarechecked,butmorecreatively,wordsareoftenchanged.H.Suchchanges,designedtoclarifyrelationshipsbetweenideas,areoftenaccomplishedbypunctuatingmoreadequately,byintroducingmoreeffectivetransitionaldevices,orbyrestatingorremovingawkwardphrasesandsentences.I.Editingthen—theself-consciousappraisalandrevisionofyourownwork—usuallymakesthedifferencebetweenamerelyacceptableandatrulysuperiorpieceofwriting.1.Whichisthetopicsentence?a.Ib.Ec.Hd.G2.Whatarethesupportingsentences?a.G,F,Cb.B,D,Gc.A,G,Id.A,E,G3.Whatarethedetailedsentences?a.G,Bb.H,Fc.D,Hd.H,C4.Whichistheconcludingsentence?a.Cb.Ec.Hd.I5.Basedontheabovequestions,arrangesentencesAtoIintoacoherentparagraph.Whichisthebestlogicorder?a.ABEGDFCHIb.BAEDGHIFCc.EGDABHICFd.GDFBAECHI
请仔细阅读原题及各选项，并将选项按照原题顺序填写在下方的空格处，每一空格只填一题选项。另外，请注意选项有大小写之分，所以请按原文的选项大小写填写。例如：选项为A.则填写A;若选项为a.则填写a。Directions:ThefollowingAtoIsentencesareinarandomorder.Pleasechoosethebestanswerforeachquestion:A.Gettingyourthoughtsdownonpaperisnotthefinalstageofwritingagoodparagraphoressay.B.Thereremainstherewritingofthefirstdraftsoastoshapeyourideaintoacarefullystylecomposition.C.Finally,forsmoothnessandbalance,changesaremadebetweensentencesorparagraphs.D.Adifferentwordmaybesubstitutedfortheoriginalwordbecauseitiseasiertounderstand,ismorecolorful,givesamoreprecisemeaning,orprovidesvariety.E.Ordinarily,editinginvolveschangesatthreepoints:inindividualwords,withinsentences,andbetweensentences.F.Atthesentencelevel,phrasesmaybeputindifferentorder,structuresofmodificationrevised,differentverbstructuresselected,orthelengthofphrasesorwholesentencesmaybealtered.G.Atthewordlevel,spellingandcapitalizationarechecked,butmorecreatively,wordsareoftenchanged.H.Suchchanges,designedtoclarifyrelationshipsbetweenideas,areoftenaccomplishedbypunctuatingmoreadequately,byintroducingmoreeffectivetransitionaldevices,orbyrestatingorremovingawkwardphrasesandsentences.I.Editingthen—theself-consciousappraisalandrevisionofyourownwork—usuallymakesthedifferencebetweenamerelyacceptableandatrulysuperiorpieceofwriting.1.Whichisthetopicsentence?a.Ib.Ec.Hd.G2.Whatarethesupportingsentences?a.G,F,Cb.B,D,Gc.A,G,Id.A,E,G3.Whatarethedetailedsentences?a.G,Bb.H,Fc.D,Hd.H,C4.Whichistheconcludingsentence?a.Cb.Ec.Hd.I5.Basedontheabovequestions,arrangesentencesAtoIintoacoherentparagraph.Whichisthebestlogicorder?a.ABEGDFCHIb.BAEDGHIFCc.EGDABHICFd.GDFBAECHI
773. 不可压缩流体定常流动时的连续性方程应为()。 A: A．G<sub>1</sub>=G<sub>2</sub> B: B．W<sub>1</sub>=W<sub>2</sub> C: C．u<sub>1</sub>A<sub>1</sub>=u<sub>2</sub>A<sub>2</sub> D: D．V<sub>1</sub>=V<sub>2</sub>
773. 不可压缩流体定常流动时的连续性方程应为()。 A: A．G<sub>1</sub>=G<sub>2</sub> B: B．W<sub>1</sub>=W<sub>2</sub> C: C．u<sub>1</sub>A<sub>1</sub>=u<sub>2</sub>A<sub>2</sub> D: D．V<sub>1</sub>=V<sub>2</sub>
NC车床程序中，表示进给机能及辅助机能的语码代号是（)。 A: A.G及S B: B.F及S C: C.S及M D: D.F及M
NC车床程序中，表示进给机能及辅助机能的语码代号是（)。 A: A.G及S B: B.F及S C: C.S及M D: D.F及M
5.请说出E类中[代码1]，[代码2]的输出结果依次是______ ，______ 。 interface Com { int add(int a,int b); }abstract class A { abstract int add(int a,int b);int g(int a,int b) { return a+b; }}class B extends A implements Com{ public int add(int a,int b) { return a+b; } int g(int a,int b) { return a*b; }}public class E {public static void main(String args[]) { B b = new B(); Com com = b; System.out.println(com.add(10,5)); //[代码1] A a = b; System.out.println(a.g(10,5)); }} //[代码2]
5.请说出E类中[代码1]，[代码2]的输出结果依次是______ ，______ 。 interface Com { int add(int a,int b); }abstract class A { abstract int add(int a,int b);int g(int a,int b) { return a+b; }}class B extends A implements Com{ public int add(int a,int b) { return a+b; } int g(int a,int b) { return a*b; }}public class E {public static void main(String args[]) { B b = new B(); Com com = b; System.out.println(com.add(10,5)); //[代码1] A a = b; System.out.println(a.g(10,5)); }} //[代码2]
标准摩尔熵Smθ的大小顺序是（ ）。A. Cl2O (g) [ Br2 (g) < Cl2 (g) < F2 (g) <H2(g) ; B. Br2 (g) ] Cl2O (g) > Cl2 (g) > F2 (g) > H2 (g) ;C. H2 (g) < F2 (g) < Cl2 (g) < Br2 (g) < Cl2O (g) ; D. Br2 (g) < Cl2O (g ) < Cl2 (g) < F2 (g) < H2 (g) A: Cl2O (g) < Br2 (g) < Cl2 (g) < F2 (g) <H2(g) ; B: Br2 (g) > Cl2O (g) > Cl2 (g) > F2 (g) > H2 (g) ; C: H2 (g) < F2 (g) < Cl2 (g) < Br2 (g) < Cl2O (g) ; D: Br2 (g) < Cl2O (g ) < Cl2 (g) < F2 (g) < H2 (g)
标准摩尔熵Smθ的大小顺序是（ ）。A. Cl2O (g) [ Br2 (g) < Cl2 (g) < F2 (g) <H2(g) ; B. Br2 (g) ] Cl2O (g) > Cl2 (g) > F2 (g) > H2 (g) ;C. H2 (g) < F2 (g) < Cl2 (g) < Br2 (g) < Cl2O (g) ; D. Br2 (g) < Cl2O (g ) < Cl2 (g) < F2 (g) < H2 (g) A: Cl2O (g) < Br2 (g) < Cl2 (g) < F2 (g) <H2(g) ; B: Br2 (g) > Cl2O (g) > Cl2 (g) > F2 (g) > H2 (g) ; C: H2 (g) < F2 (g) < Cl2 (g) < Br2 (g) < Cl2O (g) ; D: Br2 (g) < Cl2O (g ) < Cl2 (g) < F2 (g) < H2 (g)