During the summer holiday, Peter taught

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问题选择题

During the summer holiday, Peter taught ______ some subjects.

A. his
B. himself
C. herself

答案

答案：B

判断题

信号回路是显示断路器正常工作位置状态。一般红灯（符号RD.）亮示断路器在合闸位置绿灯（符号GN）亮示断路器在分闸位置。

填空题

以下程序运行后的输出结果是______。
#include＜stdio.h＞
main()
　int i, n[]=0, 0, 0, 0, 0;
　for(i=1; i＜=4; i++)
　　n[i]=n[i-1] *3+1; printf("%d", n[i]);