创建自己的小题库
搜索
【多选题】
旋翼机和直升机的区别是 ()
A.
动力不同
B.
旋翼的驱动方式不同
C.
起飞方式不同
D.
直升机可以悬停而旋翼机不能
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈
收藏
举报参考答案：
举一反三
【单选题】When the whole area was ______ by the flood, the government sent food there by helicopter (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
【单选题】1907年11月13日，（）亲自驾驶他自己研制的全尺寸载人直升机，在无外力帮助下，腾空并悬停20分钟，离地高度0.3米，实现了人类首次有动力直升机的垂直升降飞行。
A.
英国人凯利
B.
法国人布雷盖
C.
法国人科尔尼
D.
俄国人西科尔斯基
【单选题】On February 4,1974, the Capital Building, the newest building ha Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fare. There were 25 floors ...
A.
Right.
B.
Wrong.
C.
Doesn’t say.
【单选题】When the whole area was______by the flood, the government sent food there by [heli copter] (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
相关题目：
【单选题】When the whole area was ______ by the flood, the government sent food there by helicopter (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
【单选题】1907年11月13日，（）亲自驾驶他自己研制的全尺寸载人直升机，在无外力帮助下，腾空并悬停20分钟，离地高度0.3米，实现了人类首次有动力直升机的垂直升降飞行。
A.
英国人凯利
B.
法国人布雷盖
C.
法国人科尔尼
D.
俄国人西科尔斯基
【单选题】On February 4,1974, the Capital Building, the newest building ha Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fare. There were 25 floors ...
A.
Right.
B.
Wrong.
C.
Doesn’t say.
【单选题】When the whole area was______by the flood, the government sent food there by [heli copter] (直升机).
A.
cut away
B.
cut off
C.
cut up
D.
cut down
参考解析：
AI解析
重新生成
题目纠错 0
发布
