About ground effect, Which of the following statements are true（）
A. Wing lift-curve slope increases
B. Tail lift-curve slope increases
C. Neutral point moves forward
Downwash angle increases
E. Most forward CG location moves aftward
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Which of the following parameters is not affected by the propeller slipstream（）
A. local dynamic pressure
B. local lift
C. local drag
D. engine power
下面中文名称和对应的英文缩略语不正确的是（）
A. 射频识别和RFID（Radio Frequency IDentification）
B. 物联网和NOT（Networks of Things）
C. 无线传感器网络和WSN（Wireless Sensor Networks
D. 嵌入式微控制器和MCU（Micro Controller Unit）
Which of the following algorithms is most suitable to solve the problem of finding the most economical flight route between given two cities when a directed graph is used to represent the routes of al
A. Dijkstra algorithm
B. Kruskal algorithm
C. Depth-First-Search algorithm
D. Topological-Sort algorithm
“总统套间”的英文表达是（）
A. Deluxe Room
B. Presidential Suite
C. Duplex Suite
Double Room
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