According to the passage, which of the following statements is true?
A. Chokwe developed the app all by himself.
B. People can buy the app from the online store.
C. His mother’s car was damaged by using the city’s 911 call system.
D. The app works by using the city’s 911 call system.
A. Chokwe developed the app all by himself.
B. People can buy the app from the online store.
C. His mother’s car was damaged by using the city’s 911 call system.
D. The app works by using the city’s 911 call system.
【答案】
![下列程序的运行结果是（ ）。
class Shape\{
public Shape()\{
System.out.print("Shape");
\}
\}
class Circle extends Shape\{
public Circle()\{
System.out.print("Circle");
\}
\}
public class Test\{
public static void main(String[]args)\{
Sha](https://book-dl.com/assets/addons/cms/img/noimage.jpg)
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