Read text A again and complete the short passage according to the content of the text. They are ____ paragraphs in the text. According to the topics, those paragraphs can be divided into four parts.The topic of the first part (paragraph 1)is the_______ use of cell phones.The second part (paragraph 2-4)is about the _______ ________ of the cell phones. _______caused by cell phones is the topic of the third part (paragraph 5). The last part is the conclusion of the whole text. According to the writer, It seems that today’s people cannot ______ ________ cell phones because they make it easier for people to connect. Cell phones influence not only the spelling and ________ skills of young people , but also ________ relationship between people. And _______or _______on the phone while traveling can be dangerous. In all, cell phones have both _______ and _______effects.