单选题Which of the following examples serves the same rhetorical purpose as that served by the pack of gum in line 87?A the apple in line 104B the groundwater in line 93C the climate stability in line 95D the good feeling in line 114E the beautiful sunset in

第1题：

第2题：

第3题：

Which of the following can be used to insert a new line below the current line inside a vi session?（）

• A、o
• B、a
• C、p
• D、A

第4题：

Given the following code：     1） class Parent {     2） private String name；     3） public Parent（）{}     4） }  5） public class Child extends Parent {     6） private String department；  7） public Child（） {}  8） public String getValue（）{ return name； }     9） public static void main（String arg[]） {     10） Parent p = new Parent（）；     11） }  12） }  Which line will cause error？（）   

• A、 line 3
• B、 line 6
• C、 line 7
• D、 line 8
• E、 line 10

第5题：

The primary line module has failed and the spare line module is nowactive.What occurs，by default，when the primary line module returns to an operational status？（）

• A、The primary line module is inactive for five minutes and then becomes active.
• B、The primary line module is in standby mode，while the spare line module remains active.
• C、The primary line module becomes active immediately and the spare line module becomes inactive.
• D、The primary and spare line modules are active for five minutes，after which time the spare line module becomes inactive.

第6题：

第7题：

第8题：

第9题：

第10题：

第11题：

第12题：

第13题：

第14题：

You are creating a Windows Communication Foundation (WCF) service that is implemented as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 [ServiceBehavior(IncludeExceptionDetailsInFaults = true)] 03 public class OrderService 04 { 05 [OperationContract] 06 public void SubmitOrder(Order anOrder) 07 { 08 try 09 { 10 ... 11 } 12 catch(DivideByZeroException ex) 13 { 14 ... 15 } 16 } 17 } You need to ensure that the stack trace details of the exception are not included in the error information sent to the client. What should you do?（）

• A、Replace line 14 with the following line: throw;
• B、Replace line 14 with the following line: throw new FaultException(anOrder, ex.ToString());
• C、After line 05, add the following line: [FaultContract(typeof(FaultException))] Replace line 14 with the following line: throw ex;
• D、Alter line 05, add the following line: [FaultContract(typeof(FaultException))] Replace line 14 with the following line: throw new FaultException(anOrder, "Divide by zero exception");

第15题：

Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（） 

• A、 The declaration on line 2 does not allocate memory space for the variable myVect.
• B、 The declaration on line 2 allocates memory space for a reference to a Vector object.
• C、 The statement on line 2 creates an object of class Vector.
• D、 The statement on line 3 creates an object of class Vector.
• E、 The statement on line 3 allocates memory space for an object of class Vector.

第16题：

Which is the earliest line in the following code after which the object created on the line marked （0） will be a candidate for being garbage collected， assuming no compiler optimizations are done？ （）  public class Q76a9 {   static String f（） {   String a = "hello"；   String b = "bye"； // （0）   String c = b + "!"； // （1）   String d = b；  b = a； // （2）   d = a； // （3）   return c； // （4）  }   public static void main（String args[]） {   String msg = f（）；   System.out.println（msg）； // （5）   }   }  

• A、The line marked （1）.
• B、The line marked （2）.
• C、The line marked （3）.
• D、The line marked （4）.
• E、The line marked （5）.

第17题：

第18题：

第19题：

第20题：

第21题：

第22题：

第23题：

第24题：