Q: 20 (SCRA/2011)
question_subject:
Science
question_exam:
SCRA
stats:
0,19,18,11,3,4,19
keywords:
{'bank atm cards': [0, 0, 0, 1], 'magnetic materials': [0, 0, 0, 2], 'plastic materials': [0, 0, 0, 2], 'metals': [1, 2, 2, 7], 'semiconductors': [0, 0, 1, 2], 'information': [5, 0, 6, 20]}