【多选题】(Watch the video 14:50-22:03)During listening, why did the teacher ask the students to grasp the information ofthe landing position of the rescue boat andthe captain's instructions.
A.
She may want students to get information through listening.
B.
She may want to improve students ’ listening skill of record ing key information while listening.
C.
She may want to a chieve teaching objectives.
D.
She may want to use this to pave way for later tasks.