【单选题】Task 1 Choose the best answer to each question according to the passage we have learned. 1. According to the sample invitation card, why are they going to hold an office party?
【简答题】“Heard melodies are sweet, but those unheard / Are sweeter; therefore, ye soft pipes, play on”. These two lines are the poet’s description and appreciation of a ____ ____.
【判断题】The start end and the end end of a center line and a phantom line should be long dashes. And when these two types of lines are very short, they could be replaced by thin solid lines.