【单选题】_____, living in big cities is more convenient because of the complete facilities provided.
【单选题】Complete the following sentences with proper prepositions or adverbs. Are there any living things __________ the planet Mars?
【判断题】Is this a complete sentence? Then I put the backpack on the living room sofa.
【简答题】麻黄可分离成哪些药用部位?各部位功效有何不同?
【简答题】Are they content _____ living at home, or are they living at home merely for _________(convenient) and waiting for the moment when they can be _________ (complete) independent?
【单选题】Please choose the appropriate word to complete the sentence below. Living in cities has a smaller impact on the environment than living in ___________ and rural areas.
【判断题】Is this a complete sentence? Hopped out of the backpack and began jumping around the living room floor.
【判断题】在整流二级管上所经受的最大反峰电压,或称最大反向电压,它等于整流二级管所经受的最大直流工作电压。()