飞机的爬升角是指()
A.飞机上升轨迹与水平线之间的夹角
B.飞机立轴与水平线之间的夹角
C.飞机横轴与水平线之间的夹角
参考答案:A
What are they going to do next week [A] Going to visit West Hill. [B] Going to visit the West Hill Farm. [C] Going to visit Uncle Wang’s factory.
高失业与高通胀并存的局面称为( )。
A.通胀 B.萧条 C.滞胀 D.危机