【判断题】曝气沉砂池底部两侧铺设有空气管道,沉砂池内部的水流运动为旋流运动。
【简答题】Translate the following sentences and notice the expressions in italics.
【简答题】Notice the sentences in the text that are relatively long, which is ________(典型的)of a news report.
【简答题】Complete the sentences below with the correct form of the verbs from the box. Notice that some of the sentences require the passive. break into hang up plug in set up shut down t...
【简答题】为什么不用稳压管或普通二极管的正向压降来实现稳压?
【简答题】Complete the sentences by using the following words. Change the forms if necessary. nominee illusion feature elevate enlightenment eerie ideological astute aesthetic overwhelming...