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China's air force has grown stronger in combat capability (战斗能力)and will enhance its _______presence in both the high seas and the air.
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People in different countries behave in different ways because they have different ____background.
Judge the statement TRUE or FALSE according to the paragraph below.根据下面段落的信息判断句子正误。The household robots can do things better and better with advances in electronics.ROSIE, the robotic maid in “The Jetsons”, was quite a character, but she did a reasonably good job of cooking and cleaning. Today’s domestic robots, alas, do not have such dexterity. If you can lay your hands on an experimental Honda ASIMO or Toyota Partner Robot, then it could greet guests, serve drinks and even play a musical instrument to entertain them. The household robots you can buy are, by contrast, still made for only one job. But with advances in electronics they are at least getting better at the things they can do.
Judge the statement TRUE or FALSE according to the paragraph below.根据下面段落的信息判断句子正误。You can have more time to do other things by using a domestic robot.Domestic robots are supposed to free up time so that you can do other things, but watching how the Roomba deals with obstacles is strangely compelling. It is capable of sensing its surroundings, and does not simply try to adhere to a pre-planned route, so it is not upset if furniture is moved, or if it is picked up and taken to clean another room. Its infra-red sensors enable it to slow down before nudging up to an obstacle—such as a dozy cat—changing direction and setting off again.
Judge the statement TRUE or FALSE according to the paragraph below.根据下面段落的信息判断句子正误。When you are away from home and find the dog is sleeping on your best sofa, you can order Robot Rovio to shout at instead of yourself.Robot Rovio can patrol the home when its owner is away, either automatically or under manual control. Two-way communication allows the operator to see and talk via the machine. So you could, for instance, shout at the dog if it is sleeping on your best sofa.
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