【多选题】下列选项中,不得录用为公务员的人员是()。
【简答题】在H、O、K、N、C五种元素中选择适当元素组成符合下列要求的物质,写出化学式. (1)可以用作复合肥的盐 ; (2)最简单的有机化合物 ; (3)导致正常雨水显弱酸性的一种酸 .
【单选题】—Did you readthe book the day before yesterday? — No, We ______it twice.
【单选题】How did Fashion City Magazine know the subscribers trends?
A.
Through participating in a book fair
B.
By conducting a survey
C.
By continuing the use of return cards
D.
Through calling potential clients