【单选题】A _____ records information about you during a Web surfing session such as what Web sites you visited, how long you were there, what ads you looked at, and what you bought.
【简答题】按照要求进行句型转换。 1. How many units must we learn this term? (改为被动语态) How many units this term? 2. It took him two hours to finish reading the novel.(改为同义句) He two hours the novel. 3. Parents should allow t...
【简答题】There are 1 passage in this part. It is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best choice. Fif...