The whole text consists of 25 paragraphs. The following sentences are the main ideas of each paragraph. Please match each of the following main ideas with the appropriate paragraph number of the text. ______ Students need to have a better,understanding of the relationship between greenhouse gases, infrared energy and the Earth's temperature. ______ The finding is consistent with the previous study that children will modify their ideas more scientifically once they acquire new information. ______ The future research is that we will design more reliable methods to measure students' understanding of global warming. ______ In the process of children's acquiring knowledge,there is a transitional period where correct and incorrect ideas coexist. ______ However, students need more knowledge about the two main relationships among the individual components of the greenhouse effect.