【单选题】某乡有人口2万人约5000户,欲以户为单位抽其中2000人进行某病的调查若按该乡家庭人口登记名册,随机抽取第1户,随后每间隔几户,再抽取,对被抽到的家庭进行调查。这种抽样方法称为()
【单选题】听力原文:W: Hello Jack! You don't look well, and what seems to be the problem? M: Actually it is big suffering for me. Every year almost this time, I must come down with something. W: What are symptoms do...
C.
Working with patients.
【判断题】The young man says while he opens the suitcase. 在这句话中,opens the suitcase指的是在你的手提箱中。
【单选题】He opens the door for her and lets her precede him through it.
【单选题】听力原文:W: Why don't you get a good job for a change? M: But I like my job. W: Look, digging gardens is not a job for a university graduate. M: But the money's not bad and there's, plenty of fresh air. W...
【单选题】在幼儿园环境创设中,幼儿与教师共同合作、共同参与,体现的原则是
【简答题】We (hide) ____________ when Tony (arrive) _____ at his surprise party. As soon as he opens the door, we (jump) _______________ out and (scream) ______surprise!”
【单选题】He opens the shipment, only to find that the products were poor quality.
【单选题】环境创设中,幼儿与教师共同合作,共同参与,符合幼儿环境创设的( )原则。