学术英语读写与交流
Unit 1 Understanding Hacking Drones
Which is not considered to be the three main communication links?
A wireless tether
A two-way link
One or more signals to notify other aircrafts
The incoming navigation signal from GPS satellites
2.Which is the correct explanation of “Achilles’ Heel” in this passage?
A. The name of one part of body
B. A name of a character in a story
C. A deadly weakness or vulnerable point
D. A mistake made by human being
3.What is the solution for the small drone t ...


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