If plastic film insulation becomes damaged in air conditioning system, （） may form within the film.
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Insulator
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Insulation light is located on.（） of main switchboard.
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The need for insulation cleaning may be determined by （）
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insulator隔离子
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Insulator绝缘子
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Which of the following materials is a good insulator?（）
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In order to prevent galvanic corrosion，an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?（）
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Al Gore ’ s documentary film “ An Inconvenient Truth ” is largely __________ because Al Gore creates a situation about what the world would look like if we d id n’t take action s to protect our planet
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Al Gore’s documentary film “An Inconvenient Truth” is largely __________ because Al Gore creates a situation about what the world would look like if we didn’t take actions to protect our planet
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plastic funnels
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If it______an interesting film, well see it tomorrow.
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If you add enough insulation to your house, you may be able to________.
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"if you have seen a hit movie played by jackie chan, i dare say you can’t __________ attracted by the wonderful chinese martial arts exhibited in the film."
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听力原文：M: We have to hurry if we hope not to miss the beginning of the film. It' s already 7:35.
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If you are filming animals in the wild, anything can happen, so you have to change the shot to ______whenever necessary.
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A: If you are free tonight, I’d like to invite you to a film. B: That’s very nice of you, but are you_____？
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If you were in charge of giving your own movie awards, which films, actors, writers or directors from this or any other year will you win？
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You should NOT use a power tool if （).A.It has a three-prong plugB.The insulation of the p
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Plastics are the best insulator of electricity, rubber______it closely.
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Stage plays, at first, seem a lot like films. Both use actors, dialogue and scenery. But if you try to make a film by setting up a camera in front of the stage, you will find it won't work. A film made in this way will leave the audience cold. And even worse you'll be wasting a powerful tool— the camera.
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“if you have seen a hit movie played by jackie chan, i dare say you can’t __________ attracted by the wonderful chinese martial arts exhibited in the film.“
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Even after the scene has been worked on， the director may stop the actual filming if
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3、一矩形金属线框结有表面张力系数为a的液膜，有一边是可滑动的，其长为L，如果用力F使滑动边匀速且无摩擦地拉开距离x，此时液膜的表面能比原来： A rectangular metal wire frame junction has a liquid film with a surface tension coefficient a, one side of which is sliding and its length is L. if the force F makes the sliding edge move at a constant speed without friction, the surface energy of the liquid film is compared with the original one，
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