题目

The computers changed our lives in the 1980s, the Internet changed our lives in the 1990s, and the robots will change our lives in the new century.Do you think there will be robots in people’s homes? It’s not dream that every home will have a robot.Now, robots are not only able to help people do the housework, they can also help the doctors do the difficult operations, play chess with people, play the piano and so on.A new cooking robots is used in Beijing. It can cook all the dishes on the menu, you only need to wait two to four minutes. In the future, the robot will be a nurse, a securit已知θ∈[0,2π),|cosθ|<|sinθ|,且sinθ<tanθ,则θ的取值范围是(    )A.(0,π)∪(,2π)                          B.(0,)∪(π.)C.(,)∪()                       D.(,)∪()
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