搜题请搜索小程序“爱下问搜题”
问题 选择题

He submitted himself to a search by the guard. Which of the following sentences has the same

meaning as the given one?[ ]

A.  He submitted himself to being searched by the guards.

B .  He submitted himself to be searched by the guards.

C .  He is submitted himself to being searched by the guards.

D.  He is submitted to being searched by the guards.

答案

答案：A

单项选择题

城市生态系统的脆弱性表现在四个方面，下面( )说法正确。

A．城市生态系统需靠外力才能维持，城市生态系统一定程度上破坏了自然调节机能，食物链简化，自我调节能力小，营养关系倒置

B．城市生态系统需靠外力才能维持，城市生态系统一定程度上破坏了自然调节机能，食物链简化，自我调节能力小，物质能量人口高度集中

C．城市生态系统需外力才能维持，城市生态系统一定程度上破坏了自然调节机能，物质能力人口高度集中，营养关系倒置

D．城市生态系统需靠外力才能维持，物质能量人口高度集中，食物链简化，自我调节能力小，营养关系倒置
查看答案
填空题

以下程序运行后输出的结果是______。
fun(int a)
int b=0;static int c=3;
b++；c++；
return(a+b+c);

void main()
int i,a=5;
for(i=0;i＜3;i++)printf("%d%d",i,fun(a));
printf("\n");
查看答案