【单选题】What about ________ to practice pronunciation? [ ]
【单选题】It is necessary that we should spend one hour _____ English every morning. [ ]
【单选题】If you practice _____ English every morning, you will improve it quickly. [ ]
【简答题】Read the email, and do the practice as below:
【判断题】婴儿开始出现有目的的动作,也是开始有主动对外探索的时期。()
【单选题】通过管道、加压泵站、水塔、高位水池等配水设施将满足一定水压要求的水量分配到用户是( )的任务。
【单选题】-What about _________ to practice pronunciation? -Well, that's good. It helps me a lot. [ ]
【单选题】What about to practice pronunciation?
【单选题】净水工程的任务是( )
D.
通过管道、加压泵站、水塔、高位水池等配水设施,将满足一定水压要求的水量分配到城市供水系统中