【单选题】During the Q&A session ____________.
A.
the unwilling participant is not welcome
B.
the audience can tell some jokes as an ice breaker
C.
the audience can ask some irrelevant questions
D.
the presenter can ask some simple questions first
【单选题】已知等差数列 中, ,则数列 的前11项和 等于
【单选题】已知数列 、 都是公差为1的等差数列,其首项分别为 、 ,且 , , , ,则数列 前10项的和等于( )
【单选题】患者,女,30岁,分娩后2周发生阴道大量出血入院,护士对患者进行健康评估时,与病情最不相关的是
【简答题】已知{a n }是一个公差大于0的等差数列,且满足a 3 a 6 =55, a 2 +a 7 =16. (Ⅰ)求数列{a n }的通项公式: (Ⅱ)若数列{a n }和数列{b n }满足等式:a n = = ,求数列{b n }的前n项和S n
【多选题】Questions in Q & A session are usually _________.
【单选题】患者,女,30岁,分娩后2周发生阴道大量出血入院,护士对患者进行健康评估时,与病情最不相关的是( )