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) ... machine 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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