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e, or importance。 2) to join (numbers or amounts ) so as to find the total.1). Imagine what it might be like if you had to stay in your bedroom for a whole year. You could not leave it even to go to the WC or to get a cup of tea. How would you feel?2). What would you choose if you are only allowed to have five things with you in the hiding place because there is very little room?Skim the text and summarise the main idea of each paragraph in one sentence.分層作業(yè)題Read the passage and number these events in the order that they happened. 2 John Snow began to test two theories. 1 An outbreak of cholera hit London in 1854. 4 John Snow marke