题目

阅读理解Sing the language you'relearning How can you remember a song from your childhoodto this day? Why do your teachers use songs to teach you English? It seemsthere is a scientific reason for this. Researchers are now studying therelationship between music and remembering a foreign language. They find thatremembering words in a song is the best way to remember even the most difficultlanguage. Singingcould be a new way of learning a foreign language. The brain likes to rememberthings when they are used in a catchy and meaningful way, said Dr. KarenLudke. The findings may help those wh小明发现，在使用如图所示的装置做碘的升华实验时，很容易造成碘的熔化。针对上述不足，小明与他的同学们讨论后将实验进行改进：将装有固态碘的玻璃管放入沸水中，玻璃管中很快就有紫色的碘蒸气产生，并排除了碘熔化的可能性。实验表明：在碘升华和熔化时需要______热量。是什么因素影响碘的升华或熔化，你的猜想是______。