A-A+
Which of the following could NOT be used by In
问题详情
Which of the following could NOT be used by Indians to make a signal？
A．A small horse
B．Cigarettes
C．A mirror
D．Fire arrows
参考答案
正确答案：B
解析：短文中提到印第安人用的几种方法，如“an Indian might use a small horse．He might use smoke，a mirror Or fire arrows．”所以可用排除法。
