（1）、What will classrooms be like one day according to the study?
A、There will be chairs only.B、There will be standing desks.C、There will be no chairs or desks.
（2）、Who has made the study on the use of standing desks in primary schools?
A、A team of researchers.B、A group of teachers.C、A number of parents.
（3）、What can standing desks help students do?
A、Improve listening skills.B、Be more relaxed.C、Study better.
（4）、What do many teachers think of the standing desks?
A、They make students behave better in class.B、They make students walk around in class.C、They make students more tired in class.
（5）、Why do a few teachers have worries?
A、Because they have difficulty in watching every student.B、Because they think its bad for students' health.C、Because they think it makes parents worried.
