填空题

All the migratory birds can find their home with the help of sun, stars or the Earth’s magnetic field.

【参考答案】

NG

<上一题目录下一题>

热门试题

填空题

In the map-and-compass theory, the compass component gives______—north, south, east, west.

填空题

It is necessary that birds should be trained to get back home.