听第10段材料,回答小题。
(1)
How many lab sessions will the students have every week?
A . One
B . Two
C . Three
(2)
What are the students allowed to wear in the lab ?
A . Long scarves
B . Loose clothes
C . Tennis shoes
(3)
Why should the students avoid mixing liquid with paper?
A . It may cause a fire
B . It may create waste
C . It may produce pollution
(4)
What does the speaker mainly talk about?
A . Grades the student will receive
B . Rules the students should follow
C . Experiments the students will do
答案: A
C
A
B