9在____位上，表示9个____．
某研究性学习小组制作了以下4个密闭的玻璃瓶，放在一定的环境中．请根据你学过的知识，判断哪个瓶中生物的生存时间最长（ ）
Nowadays，“How do web celebrities ____ ____?” and “How to become a web celebrity” have become hot topics.
公民在行使建议权、监督权时不正确的做法是（ ）
—The weather turns out to be fine.
— We can depend on ___ that the goods will be shipped to the flooded area on time.
