Why was the device to track eye movement needed?
A.to make sure the students were looking at the computer screen
B.to move the spider’s location around
C.to verify where the students were looking
D.to make the students look only in one place
A.to make sure the students were looking at the computer screen
B.to move the spider’s location around
C.to verify where the students were looking
D.to make the students look only in one place
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Hóa Học lớp 12
