【单选题】Thefollowing sentences are from one paragraph. Decide which one is the topic sentence of the paragraph?1)In time, this melted part rises as a magma.2)The formation of a volcanic eruption is a dramatic...
【简答题】Complete the questions the journalist asks. 1. ________________ how this happened? 2. This isn’t the first time this particular ship has been in an accident, ___________? 3. And ___________________...
【简答题】You will hear a presentation delivered by the PR Department Manager of Oracle China.Listen to the first part of the presentation and fill in the blanks. Distinguished guests, ladies and gentlemen, goo...