How to catch a student cheating on a written test
Prevention is better than cure.
Before the exam begins, ask for all mobile phones, electronic devices and textbooks to be placed on the teacher's desk. Have the students clear their desk of everything but their pencil case before you hand out the papers.

Remind the students of the rules and the penalties for cheating. Separate the students or seat them in such a way that they cannot easily look onto one another's papers.

How to get on a train in china
Check the schedules.
Determine the route you want to travel and look at the available times.
Train schedules are available on a number of websites (including english language sites).

A few examples include seat61.com (which includes train schedules and information from all around the world) and chinatrainguide.com. Train schedules can also be had at local train stations.

People are playing volleyball in a room. people

are sitting next to the court watching them.

At an outdoor poor facility people are in the pool and others are outside standing by. there
are two boys on the diving board preparing to jump down.