What is a nanobot?, A large industrial machine, A microscopic robot, A computer game, Why can nano-spiders be classified as robots?, Because they are very small, Because they can move and make decisions, Because they are made of metal, What are nano-spiders mainly made of?, Metal and plastic, DNA molecules and protein, Human cells, According to the text, what could nanobots do in the future?, Build houses, Detect diseases and deliver medicine, Replace all doctors, What is the main concern about nanotechnology?, It is too expensive, Safety regulations may not be strict enough, Nanobots work too slowly, Choose the correct reported speech:"She is working in a science lab," he said., He said that she is working in a science lab., He said that she was working in a science lab., He said that she will work in a science lab., "I have just read an article about robots," she said., She said that she had just read an article about robots., She said that she has just read an article about robots., She said that she just reads an article about robots., "We will develop new nanobots," they said., They said that they will develop new nanobots., They said that they developed new nanobots., They said that they would develop new nanobots., "Are you studying nanotechnology?" he asked me., He asked me if I was studying nanotechnology., He asked me am I studying nanotechnology., He asked me if am I studying nanotechnology., "How long have you worked here?" she asked him., She asked him how long he has worked there., She asked him how long he had worked there., She asked him how long did he work there..

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