下列化学方程式书写正确的是（     ）

Jerry does morning exercise every day.(改一般疑问句）
____ Jerry____  morning exercise every day?
The water was too dirty for us to drink.(改为同义词)
The water was ____dirty ____ we couldn't drink it.
I don't know David’s e-mail address.
He doesn't know David's e-mail address, either.(合并一句话)
____he____  I know David's e-mail address.
The author will leave for Xingyi in a month.(对划线线部分提问)
____will the author leave for Xingyi?
I think Allen must be playing basketball with his brother on the playground,
____ ？(写出其反意疑问部分）

甲抽取的样本数据

乙抽取的样本数据

（Ⅰ）在乙抽取的样本中任取3人，记投篮优秀的学生人数为X，求X的分布列和数学期望．

（Ⅱ）请你根据乙抽取的样本数据完成下列2×2列联表，判断是否有95%以上的把握认为投篮成绩和性别有关？

（Ⅲ）判断甲、乙各用何种抽样方法，并根据（Ⅱ）的结论判断哪种抽样方法更优？说明理由．

下面的临界值表供参考：

（参考公式：K²= $\frac{n{\left(ad-bc\right)}^2}{\left(a+b\right)\left(c+d\right)\left(a+c\right)\left(b+d\right)}$ ，其中n=a+b+c+d）

全球的两大火山地震带是____和____。

已知c＞0，设命题p：函数y＝c^x为减函数．命题q：当$x\in \frac{1}{2},2$时，函数$f\left(x\right)=x+\frac{1}{x}>\frac{1}{c}$恒成立．如果“p∨q”为真命题，“p∧q”为假命题，求c的取值范围．