{"type":"multi-choice","id":"71498","dataJson":{"prompt":"水起着透镜的作用，但当你透过水看事物时，它们看起来是扭曲的。","options":[{"key":"0.6939709582414889","label":"正确","value":"正确"},{"key":"0.4334531259393001","label":"不正确的","value":"不正确的"}],"limitChoices":{"max":1,"min":1},"validResponse":["正确"]}}

{"type":"multi-choice","id":"71499","dataJson":{"prompt":"透镜只能让东西看起来更大。","options":[{"key":"0.7031250819714809","label":"正确","value":"正确"},{"key":"0.04994646612916176","label":"不正确的","value":"不正确的"}],"limitChoices":{"max":1,"min":1},"validResponse":["不正确的"]}}

{"type":"fill-in-blanks","id":"71500","dataJson":{"prompt":"填写空白","options":{"book":[{"label":"书","value":"书"},{"label":"空气","value":"空气"},{"label":"来源","value":"来源"}],"lens":[{"label":"空气","value":"空气"},{"label":"透镜","value":"透镜"},{"label":"水","value":"水"}],"course":[{"label":"温度","value":"温度"},{"label":"路线","value":"路线"},{"label":"大小","value":"大小"}],"curved":[{"label":"弯曲","value":"弯曲"},{"label":"平","value":"平"},{"label":"直","value":"直"},{"label":"曲线","value":"曲线"}],"larger":[{"label":"更小","value":"更小"},{"label":"更大","value":"更大"}],"transparent":[{"label":"半透明","value":"半透明"},{"label":"透明","value":"透明"},{"label":"不透明","value":"不透明"}]},"template":"透镜是一块{{curved}}的{{transparent}}材料。弯曲使光线改变{{course}}。当你拿着放大镜看一本书时，从{{book}}中反射的光线穿过{{lens}}，在你眼中看起来{{larger}}。","validOptions":["book","lens","course","curved","larger","transparent"],"validResponse":{"book":"书","lens":"透镜","course":"路线","curved":"曲线","larger":"更大","transparent":"透明"}}}

{"type":"multi-choice","id":"71501","dataJson":{"prompt":"这些透镜中哪一个能帮助我们近距离观察微小的东西，甚至我们无法用肉眼看到的东西？","options":[{"key":"0.9188553332625685","label":"放大镜","value":"放大镜"},{"key":"0.04080553153800104","label":"显微镜","value":"显微镜"},{"key":"0.4030409961575371","label":"双筒望远镜","value":"双筒望远镜"},{"key":"0.5675702623655732","label":"望远镜","value":"望远镜"}],"limitChoices":{"max":1,"min":1},"validResponse":["显微镜"]}}

{"type":"multi-choice","id":"71502","dataJson":{"prompt":"下列哪一种透镜能帮助我们看到遥远的外太空中的东西呢？","options":[{"key":"0.6612935052903358","label":"显微镜","value":"显微镜"},{"key":"0.7087873672125979","label":"放大镜","value":"放大镜"},{"key":"0.1104475009439364","label":"双目镜","value":"双目镜"},{"key":"0.5350316674922246","label":"望远镜","value":"望远镜"}],"limitChoices":{"max":1,"min":1},"validResponse":["望远镜"]}}

Answer incorrect

Look at the slide below to work out the answer.