logo - 刷刷题
下载APP
【单选题】

实施空投时禁止()。

A.
直升机机翼与陡峭山坡距离小于100米
B.
沿山坡向下飞行或向下坡方向进入转弯
C.
机长亲自投掷或者向后观察
D.
A、B和C
举报
题目标签:空投
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】Save Pandas With the Switzerland-based World Wildlife Fund (WWF), China is making a concerted and dedicated effort to save the endangered pandas. The results, officials here in Chengdu indicate, are m...

A.
Switzerland is the country that contributes in the panda relief program
B.
the survival of pandas is an international concern
C.
it is too late to rescue the endangered pandas
D.
the lovely pandas will soon die out

【单选题】实施空投时禁止()。

A.
直升机机翼与陡峭山坡距离小于100米
B.
沿山坡向下飞行或向下坡方向进入转弯
C.
机长亲自投掷或者向后观察
D.
A、B和C