【单选题】If David, a market analyst in Volvo, is working with a product portfolio, _________ can be an effective tool at his disposal to determine how each one or a group of the products are doing.
【简答题】Part Two : Interpreting the Text Each of the following sentences could have been used in the text. Indicate in the text where each sentence would have been placed if it had been included. 1. He had ne...