以下循环语句的执行次数是（ ）。for(i=2;i！=0; i--) printf(“%d”,i);
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可将for(表达式1； ；表达式3)理解为（ ）。
A. for(表达式1；0 ；表达式3)
B. for(表达式1；1 ；表达式3)
C. for(表达式1；表达式1 ；表达式3)
D. for(表达式1；表达式3 ；表达式3)
以下程序段中，while循环的循环次数是（ ）。int i=0;while(i<10){if(i<5) continue;if(i==5) break;i++;}
A. 1
B. 10
C. 死循环
D. 有语法错误
Replace the underlined parts with proper expressions.Have you ever been there by bus?
A. taken a bus there
B. gone there on bus
C. went there on a bus
What is the transportation like in Beijing?
A. Which means of transportation do you like best
B. How is the transportation
C. How is the transportation like
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