1) Some scientists think that ___________ intelligent aliens would have a human-like body shape. a) all b) every 2) _________________ evidence suggests that scientists could invent a way to make things invisible. a) All the b) All 3) Einstein's theory of relativity doesn't explain ________________ about the universe. a) all b) everything 4) _____________ machines can currently tie a shoelace and hold a conversation at the same time. a) No b) None 5) _____________ David Smith and Shlomo Zilberstein are computer scientists. a) Both b) Both of 6) _______________ teleportation nor instant learning are going to be easy to achieve. a) Either b) Neither

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