1. (2023九上·杭州期末) 听下面一段独白，回答问题。

1. （1） How often do students have the laboratory class?

   A . Twice a week. B . Once a week. C . Three times a week.
3. （2） What is the most important in a laboratory class?

   A . To be on time. B . To be safe. C . To be tidy.
5. （3） Which of the following is allowed to do in the class?

   A . Wearing shorts and dresses. B . Eating and drinking. C . Reporting the accidents.
7. （4） How should students sit during COVID time?

   A . Take every seat. B . Take every two seats. C . Take every three seats.