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【单选题】
如图所示是一架正在进行航拍的四旋翼无人飞机,则下列情况下能将无人飞机看作质点的是( )A.
调整无人机在空中飞行的姿态。
B.
调整无人机上摄像头的方向
C.
增大无人机旋翼的转速
D.
地面观察者观察无人机在空中的位置
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【简答题】根据提示选词填空。 funny, smart, tall, thin, who, university, principal, like 1. Our math teacher is ___________ (高的) and ___________ (瘦的). 2. What's she ___________ ? 3. Mike is very ___________ (聪明的). 4. ___...
【简答题】听对话，根据所听到的对话内容和提示词语，记录关键信息。对话读两遍。 Name: 1_____ Build: Tall and thin Hair: 2_____ and dark Arrival time: At 3_____ tomorrow afternoon Flight number: CA 4 _____
【简答题】根据提示填空: We
get electricity from the _____(电站) through wires and cables.
【简答题】根据提示填空: We
get electricity from _____(电站) through wires and cables.
【简答题】I'm very thirsty. Please bring me __A. tea B. a
cup of teas C. two
teas D. teas
【简答题】A(n) ____________________ is a super-thin slice of semiconducting material packed with microscopic circuit elements, such as wires, transistors, capacitors, logic gates, and resistors.
【简答题】根据提示填单词。 1. s________ (a long, thin piece of wood or anything ) My grandma often walks with a ________. 2. k________ (a lot of learning you have learnt) Our ________ of life is growing all the time. 3...
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