-Alice,why didn't you come yesterday? -I

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问题选择题

-Alice,why didn't you come yesterday?

-I_______,but I had an unexpected visitor.[ ]

A. had

B. would

C. was going to

D. did

答案

答案：C

选择题

生物武器的危害有传染性强的特点，针对这一特点，下列哪项不是防护生物武器的有效措施 [ ]

A．提前接种和个人防护

B．发现病人，立即报告，及时隔离

C．注意切断传播途径

D．只注意环境消毒，不注意动植物灭菌

有以下程序：main(){int i=1,j=2,k=3; if(i++==1&&(++j==3||k++==3)) printf("%d %d %d\n",i,j,k);}程序运行后的输出结果是______。

A．1 2 3

B．2 3 4

C． 2 2 3

D．2 3 3