【单选题】食物的“甜酸苦辣咸”这五味中,最基本的是:
【单选题】铺备用床物品的放置顺序(由下而上)是( )
【单选题】XX街道办事处的王处长向XX区王副区长请示,公文的主送机关应该写为( )
【简答题】大家来自不同的班级,为自己制作一张名片,让老师和同学们记住你的名字吧。
【判断题】当有学生触电时,应该切断电源或借助工具使触电者脱离电源,严禁用手把触电者和电源分开。
【单选题】How should we understand the process of oscillation?
A.
Cosmic rays are used to produce muon neutrinos.
B.
Muon neutrinos went missing during experiments.
C.
Cosmic rays hit the upper atmosphere.
D.
One flavor of neutrinos is changed into another one.
【单选题】XX街道办事处的王处长向XX区王副区长请示,公文的主送机关应该写为( )