[单项选择]People try to avoid public transportation delays by using their own cars, and this （　） creates further problems.
A. in short
B. in case
C. in doubt
D. in turn

[单项选择]阅读下面程序
1public class Try extends Thread 2public static void main(String args[])
3Tryt=new Try（　）；
4t.start（　）；
5
6
7publicvoidrun(intj)
8inti=0；
9while(i＜5)
10System.out.println("祝你成功!")；
11 i++；
12
13
14
该程序要求打印5行“祝你成功!”，必须改正程序中的某行代码，程序才能完成。选择正确的修改是( )。
A. 将第1行的extendsThread改为implementsRunnable
B. 将第3行的newTry()改为newThread()
C. 将第4行t.start()改为start(t)
D. 将第7行的publicvoidmn(intj)改为publicVoidmn()

[单项选择]阅读下面程序
1 public class Try extends Thread
2 public static void main(String args[])
3 Try t=new Try（　）；
4 t.start（　）；
5
6
7 public void run(int j)
8 int i=0；
9 while(i＜5)
10 System.out.println("祝你成功!")；
11 i++：
12
13
14
该程序若能打印5行“祝你成功!”，必须改正程序中的某行代码，选择正确的修改是
A. 将第1行的extends Thread改为implements Runnable
B. 将第3行的new Try()改为new Thread()
C. 将第4行的t.start()改为start(t)
D. 将第7行的public void run(int j)改为public void run()

[单项选择]The transportation of goods and people from place to place continues to gain in efficiency through technology.
A. vehicles
B. boxes
C. commodities
D. machines

[单项选择]You had better try to avoid （） such a mistake again.
A. make
B. making
C. made
D. be made

[填空题]下列程序创建了一个线程并运行，请在下划线处填入正确代码。　　public class Try extends Thread{　　public static void main（String args[]）{　　Threadt=new Try（）；　　【13】；　　}　　public void run（）{　　System.out.println（“Try!”）；　　}　　}

[单项选择]阅读下列程序片段。
Public void test（　）
Try
sayHello（　）;
system.out.println("hello");
catch(ArrayIndexOutOfBoundException e)
System.out.println("ArrayIndexOutOfBoundException");
catch(Exception e)
System.out.println("Exception");
finally
System.out.println("finally");


如果sayHello（　）方法正常运行，则test（　）方法的运行结果将是( )。
A. Hello
B. ArrayIndexOutOfBondsException
C. Exception
D. Hello

[单项选择]Foreign students are facing unprecedented delays, as visa applications receive closer （） than ever.
A. appraisal
B. scanning
C. retention
D. scrutiny

[单项选择]Major delays affected all flights to Darwin yesterday ______ there was a security alert at the airport there.


A. however
B. despite
C. because
D. therefore

[单项选择]What is causing the delays near Interchange 215


A. Road construction.
B. A small accident.
C. Inclement weather conditions.
D. Invisibility due to mist.

[单项选择]In the case of flight delays or unexpected changes in schedules, the meeting will be moved to a more suitable time.
A. others
B. another
C. any other
D. one another

[单项选择] Public Relations 　　Public relations is a broad set of planned communications about the company, including publicity releases, designed to promote goodwill and a favorable image. 　　Publicity then is part of public relations when it is initiated by the firm, usually in the (51) of press releases or press conferences. Since public relations involves communications with stockholders, financial analysts, government officials, and other noncustomer groups, it is usually (52) outside the marketing department, perhaps as a staff department or outside consulting firm reporting to top management. This organizational placement can be a (53) because the public relations department or consultant will likely not be in line with marketing efforts. Poor communication and no coordination can be the (54). Although the basic purpose of public relations is to provide positive influence (55) the public image, this influence generally may be less than (56) provided by t
A. Yet
B. Otherwise
C. Furthermore
D. Rather